The short answer
Kidney cancer is staged from I to IV based on the size of the tumor and whether it has spread beyond the kidney to nearby tissue, lymph nodes, or distant organs. Earlier stages are often cured with surgery.
Kidney cancer is staged from I to IV.
Stage depends on the tumor's size and whether it has spread beyond the kidney.
Stage I and II cancers are confined to the kidney and are often cured with surgery.
Stage III has reached nearby tissue or lymph nodes; stage IV has spread to distant organs.
Choose how you want to understand this
The full explanation.
The simple version
Kidney cancer is staged from I to IV based on how large the tumor is and how far it has spread. Earlier stages are confined to the kidney and are often cured with surgery.
What the stages mean
In simple terms:
- Stage I and II — confined to the kidney, differing mainly by size
- Stage III — grown into nearby tissue or reached nearby lymph nodes
- Stage IV — spread to distant organs such as the lungs or bones
Why it matters
Earlier-stage kidney cancers are often cured with surgery alone. Later stages may need drug therapies such as targeted therapy and immunotherapy, sometimes along with surgery.
Stage I and II kidney cancers are confined to the kidney and often cured with surgery.
How the stage is found
Doctors use imaging scans and examination of tissue removed during surgery to determine the stage, which then guides treatment and gives a sense of the outlook.
Words to know
Tap any term to see what it means.
Common questions
▸How is kidney cancer staged?
It uses stages I to IV, based on the size of the tumor and how far it has spread — to nearby tissue, lymph nodes, or distant organs such as the lungs or bones.
▸What are the early stages?
Stage I and II cancers are confined to the kidney, differing mainly by size. They are often cured with surgery.
▸What are the later stages?
Stage III has grown into nearby tissue or reached nearby lymph nodes. Stage IV has spread to distant organs or beyond, and is treated with drug therapies along with surgery in some cases.
▸Why does the stage matter?
The stage helps determine whether surgery alone is likely enough and which additional treatments may help, and gives a sense of the outlook.
Questions to ask your doctor
Being prepared helps you get the most out of your appointments. Save or print these questions.
Tap a question to save it to your list (kept on this device).
Test your knowledge
0 of 3 answered
This quiz checks understanding of educational content only. It is not medical advice. Open this quiz on its own page.