Diet

Certain cancers require certain diets.
Head and Neck Cancers do well with a Keto diet.
Prostate cancer – a Plant based diet is recommended due to hormones (no meat)
Pancreatic Cancer – Low Methionine diet which is a Plant based diet as meat has high Methionine

In general a cancer diet should be to consume whole foods
Avoid these:
Processed sugars, processed foods, wheat, white rice, white potatoes, high glycemic foods, red meat, milk and dairy, fried foods, seed oils, burnt or bbq food, cured meats.