New Delhi, Sept. 9 -- For many people diagnosed with kidney cancer, questions about food come up almost immediately. Should protein intake go up or down? Are bananas and tomatoes off the menu? Is phosphorus something to worry about? The answers are rarely straightforward. Nutrition during kidney cancer treatment is highly individual. It depends on how well the kidneys are functioning, the type of treatment a patient is receiving, current symptoms, and overall nutritional health. That is why advice that works for one patient may not suit another.

Why does diet matter during treatment?

Treating kidney cancer places extra demands on the body. Surgery, chemotherapy, radiation, immunotherapy, and targeted therapies can all affect appetite, d...