Renal cell carcinoma (RCC) is the most common type of kidney cancer in adults. It develops from cells within the kidney and includes several different subtypes, with clear cell RCC being one of the most common.

A diagnosis of RCC does not automatically mean that the cancer has spread or that the entire kidney needs to be removed.

The treatment plan depends on several factors, including:

• Tumor size

• Tumor location

• Whether the cancer is confined to the kidney

• Involvement of nearby veins or lymph nodes

• Spread to distant organs

• RCC subtype

• Tumor grade

• Kidney function

• Overall health

• Patient preferences

Staging is therefore an essential part of deciding which treatment approach is appropriate.

At Prabhakar Bhurke Clinic, Dr. Sandip Prabhakar Bhurke, super specialist nephrologist and transplant physician, provides kidney-focused evaluation and helps patients understand kidney function and renal considerations during complex cancer care.

Why Is RCC Staging Important?

The word stage describes how far the cancer has developed or spread.

Doctors commonly use the TNM system, which evaluates:

• T: Characteristics and local extent of the primary tumor

• N: Whether nearby lymph nodes contain cancer

• M: Whether the cancer has spread to distant organs

These findings are combined to determine an overall stage from Stage I through Stage IV.

Staging helps the cancer team estimate prognosis and select appropriate treatment. However, stage is not the only factor that influences treatment decisions.

How Is Renal Cell Carcinoma Staged?

Stage I RCC

Stage I kidney cancer is confined to the kidney and the primary tumor is no more than 7 cm.

Depending on the individual case, treatment may include surgery or, for selected small tumors, active surveillance or an ablative treatment.

Stage II RCC

Stage II RCC remains within the kidney but the primary tumor is larger than 7 cm.

Surgical removal is commonly considered when the cancer can be safely treated with an operation. The exact procedure depends on tumor characteristics and kidney function.

Stage III RCC

Stage III disease may involve major veins or tissues surrounding the kidney and/or nearby lymph nodes, without distant metastasis.

Surgery is commonly an important component of treatment when the tumor can be removed safely. The operation may be more complex when major blood vessels are involved.

Stage IV RCC

Stage IV disease includes tumors that have grown beyond the local structures defined for earlier stages or cancer that has spread to distant sites.

Treatment is usually more individualized and may involve systemic medicines such as immunotherapy and targeted therapy. Surgery or local treatment can still have a role in carefully selected patients.

What Tests Are Used Before Treatment?

A cancer team needs to understand both the tumor and the patient's overall health before selecting treatment.

Evaluation may include:

Imaging

Depending on the situation, imaging may include:

• Ultrasound

• CT scan

• MRI

• Chest imaging

• Other scans when metastatic disease is suspected

Imaging helps determine tumor size, location, local extension and possible spread.

Blood Tests

Kidney cancer evaluation may include tests such as:

• Serum creatinine

• eGFR

• Complete blood count

• Calcium

• Liver-related blood tests

• Other tests based on the patient's condition

Kidney function is particularly important because treatment may involve removing part or all of a kidney.

Tissue Examination

When tissue is obtained, pathological examination can identify the cancer type and provide information about tumor characteristics.

A biopsy is not required in every situation before treatment, and the decision depends on the clinical and imaging findings.

What Is the Main Treatment for Localized RCC?

When RCC is limited to the kidney and the patient is suitable for treatment, surgery is often the primary curative approach.

Two major operations are:

• Partial nephrectomy

• Radical nephrectomy

The choice depends on tumor characteristics, technical feasibility and kidney-related considerations.

Partial Nephrectomy for Kidney Cancer

A partial nephrectomy removes the tumor while preserving the remaining healthy portion of the kidney.

It may be particularly valuable when:

• The tumor is small and technically suitable

• Preserving kidney tissue is important

• Kidney function is already reduced

• The patient has tumors affecting both kidneys

• There is a higher future risk of kidney impairment

For appropriately selected early kidney cancers, partial nephrectomy can provide cancer control while preserving more renal tissue.

Radical Nephrectomy

A radical nephrectomy involves removal of the entire affected kidney, together with surrounding tissues as appropriate.

It may be considered when:

• The tumor is large

• The tumor is centrally located

• Partial removal is not technically safe

• The cancer extends into surrounding structures

• Other tumor characteristics make complete kidney removal more appropriate

The decision should consider both cancer control and the patient's remaining kidney function.

Can Small Kidney Tumors Be Monitored?

In selected patients with small renal masses, active surveillance may be an option.

This approach involves regular imaging and clinical monitoring rather than immediate treatment.

It may be considered in certain patients when:

• The tumor is small

• Growth appears slow

• Immediate intervention may carry significant risks

• Age or other health conditions influence treatment decisions

Active surveillance does not mean ignoring the tumor. It requires planned follow-up and reassessment.

Ablation for Selected Kidney Tumors

Some patients who are not suitable candidates for conventional surgery may be considered for local tumor-ablation procedures.

Examples include:

• Cryoablation

• Radiofrequency ablation

• Other thermal techniques

Stereotactic radiation may also be considered in selected circumstances.

These treatments are not appropriate for every kidney tumor, and the choice depends on tumor size, location, patient health and available expertise.

What Happens When RCC Has Spread?

Once RCC has spread beyond the kidney, treatment often requires a systemic approach because cancer cells may be present at multiple sites.

Depending on the cancer subtype and patient's risk profile, systemic treatment may include:

• Immunotherapy

• Targeted therapy

• Combination treatment

• Clinical trials

Modern treatment selection is individualized rather than based on stage alone.

Immunotherapy for Advanced Renal Cell Carcinoma

Immunotherapy uses medicines that help the immune system recognize and attack cancer cells.

Several immune-based treatment combinations are used in advanced RCC depending on the patient's disease characteristics and risk group.

Treatment may involve immune checkpoint inhibitors either alone or in combination with other medicines.

The choice should be made by an oncology team familiar with the patient's cancer subtype, stage, previous treatment and overall health.

Targeted Therapy for RCC

Targeted medicines are designed to interfere with specific biological pathways that help cancer cells grow or form blood vessels.

Targeted therapies can play an important role in advanced RCC and may be combined with immunotherapy in selected patients.

The appropriate medicine depends on factors such as:

• RCC subtype

• Risk classification

• Previous treatments

• Kidney and liver function

• Other medical conditions

• Potential medication interactions

Is Chemotherapy Used for Renal Cell Carcinoma?

Traditional chemotherapy is not the main treatment for most conventional RCC.

Kidney cancer treatment differs from cancers that are particularly sensitive to standard chemotherapy.

For advanced RCC, immunotherapy and targeted therapies are commonly more important treatment approaches. Some uncommon kidney cancer subtypes may respond differently and require different systemic treatments.

When Can Surgery Be Used in Stage IV RCC?

Stage IV disease does not automatically mean that surgery is impossible.

In carefully selected patients, surgery may be considered when:

• The primary kidney tumor can be removed

• Metastatic disease is limited or potentially treatable

• The patient is sufficiently fit

• The expected benefits outweigh the risks

For many patients with extensive metastatic disease, systemic treatment is prioritized rather than immediate removal of the kidney tumor.

Why Is Kidney Function Important During RCC Treatment?

Cancer treatment should address both tumor control and preservation of remaining kidney function.

Kidney function may be affected by:

• Removal of part or all of a kidney

• Pre-existing CKD

• Dehydration

• High blood pressure

• Diabetes

• Certain systemic cancer medicines

• Other medical conditions

Monitoring creatinine and eGFR can help the medical team understand how the kidneys are functioning before and during treatment.

Patients with one kidney can often maintain adequate kidney function, but long-term monitoring remains important.

What If Both Kidneys Have Tumors?

When tumors occur in both kidneys, treatment planning becomes especially important.

Depending on tumor characteristics, options may include:

• Bilateral partial nephrectomy

• Staged procedures

• Active surveillance for selected lesions

• Ablative treatment in selected patients

• Other individualized approaches

Preserving as much functioning kidney tissue as safely possible can be particularly important in bilateral disease.

What Is Follow-Up After RCC Treatment?

Completing surgery or systemic treatment does not necessarily end kidney cancer care.

Follow-up may involve:

• Periodic imaging

• Kidney-function testing

• Blood-pressure monitoring

• Assessment for recurrence

• Monitoring treatment-related complications

• Review of new symptoms

The exact follow-up schedule depends on the stage, pathology, treatment and individual risk.

What Symptoms Should Prompt Medical Evaluation?

Kidney cancer can sometimes be found incidentally during imaging performed for another reason.

Possible symptoms can include:

• Blood in the urine

• Persistent pain in the side or back

• An abdominal lump

• Unexplained weight loss

• Persistent fatigue

• Fever without an obvious cause

• Loss of appetite

These symptoms are not specific to RCC and can occur with other conditions. Persistent or unexplained symptoms should be medically evaluated.

Which Specialists Treat Renal Cell Carcinoma?

RCC treatment may require a multidisciplinary team.

Depending on the situation, this may include:

• Urologic surgeon

• Medical oncologist

• Radiation oncologist

• Nephrologist

• Radiologist

• Pathologist

• Other specialists

A urologic surgeon commonly manages surgical treatment, while an oncologist manages systemic cancer therapy. A nephrologist can help assess kidney function and manage kidney-related complications before, during and after cancer treatment.

Kidney and Cancer Care at Prabhakar Bhurke Clinic

At Prabhakar Bhurke Clinic, Dr. Sandip Prabhakar Bhurke, super specialist nephrologist and transplant physician, provides kidney-focused evaluation for patients with renal malignancy and kidney-function concerns.

Depending on the clinical situation, nephrology care may include:

• Assessment of baseline kidney function

• Creatinine and eGFR monitoring

• Evaluation of CKD and hypertension

• Kidney-function assessment before major treatment

• Monitoring kidney function after nephrectomy

• Management of electrolyte abnormalities

• Medication review

• Kidney care during complex cancer treatment

• Coordination with urology and oncology teams

• Long-term renal monitoring after cancer treatment

Cancer treatment should be planned by the appropriate oncology and urology specialists, with nephrology involvement when kidney function or renal complications require specialist management.

Frequently Asked Questions

What are the stages of renal cell carcinoma?

RCC is generally grouped into Stage I, II, III and IV. The stage is determined using tumor characteristics, lymph-node involvement and distant metastasis through the TNM staging system.

What is the treatment for Stage 1 renal cell carcinoma?

Surgery is commonly used when treatment is appropriate. Depending on tumor size and patient factors, partial nephrectomy, radical nephrectomy, active surveillance or selected ablative approaches may be considered.

Is Stage 2 renal cell carcinoma curable?

Localized Stage II RCC can often be treated with an intention to cure, usually through surgical removal when feasible. Individual outcomes depend on tumor characteristics and overall health.

What is the treatment for Stage 3 RCC?

Surgery is commonly an important component when the cancer can be completely removed. Additional treatment may be considered depending on pathology and cancer subtype.

Can Stage 4 renal cell carcinoma be treated?

Yes. Stage IV RCC has treatment options including immunotherapy and targeted therapies. Selected patients may also benefit from surgery, radiation or local treatment depending on the extent and location of disease.

Does every kidney cancer patient need the whole kidney removed?

No. A partial nephrectomy may be possible for appropriately selected tumors and can preserve functioning kidney tissue.

Does renal cell carcinoma always require chemotherapy?

No. Conventional chemotherapy is generally not the main treatment for most RCC. Advanced disease is more commonly treated with immunotherapy, targeted therapy or combinations selected according to the cancer subtype and patient factors.

Can kidney function be affected after nephrectomy?

Yes. Removing kidney tissue can reduce overall kidney function, although the remaining kidney may provide adequate filtration. Kidney function should be monitored after surgery, particularly in patients with pre-existing CKD, diabetes or hypertension.

Conclusion

Renal cell carcinoma staging and treatment are closely connected, but the treatment plan cannot be selected from the stage alone.

RCC is generally classified from Stage I to Stage IV using the TNM system. Localized disease may be treated with partial or radical nephrectomy, while selected small tumors may be monitored or treated with ablation. More advanced disease may require immunotherapy, targeted medicines, surgery, radiation or combinations of these approaches.

Preserving kidney function is also an important part of long-term care, particularly for patients with one kidney, bilateral tumors, CKD or other kidney-risk factors.

A multidisciplinary approach involving urology, oncology and nephrology can help address both cancer treatment and kidney health.

For individualized kidney-function assessment and nephrology care, consult Dr. Sandip Prabhakar Bhurke at Prabhakar Bhurke Clinic.

Medical Disclaimer

This article is intended for general educational and informational purposes only and does not constitute medical diagnosis, treatment or individualized medical advice. Renal cell carcinoma includes different subtypes, and staging and treatment depend on tumor characteristics, TNM stage, pathology, kidney function, overall health and other factors. Treatment options may change as cancer-care guidelines and approved therapies evolve. Decisions regarding surgery, immunotherapy, targeted therapy, radiation, surveillance or clinical trials should be made with an appropriately qualified cancer-care team. Dr. Sandip Prabhakar Bhurke and Prabhakar Bhurke Clinic should not be considered a substitute for a multidisciplinary oncology and urology evaluation. Do not start, stop or change cancer medicines or other prescription treatments without medical supervision.