What should elderly cancer patients eat for acute infection, diet therapy and healthy diet?

Anti-cancer food:

Carrot, cabbage, pumpkin, sweet potato, spinach, cabbage, cauliflower, celery, wheat bran, corn husk, rice bran, oat bran, etc.

Anti-cancer vitamins:

Vitamin a, beta carotene, vitamin c, vitamin e, selenium, vitamin d

The results show that the life span of patients with advanced cancer after taking 10g vitamin C every day is four times longer than that without taking it.