About one third of cancer cases are estimated to be linked to dietary and other modifiable risk factors, especially for obesity-related cancers such as breast, colorectal, ovarian, endometrial, kidney, gallbladder, esophageal, and pancreatic cancers. In this special theme issue of the Journal of the Academy of Nutrition and Dietetics, food and nutrition practitioners and other health professionals take an in-depth look at the relationship between nutrition, obesity, and cancer prevention, treatment, and survival and identify research gaps for future prevention research efforts.
https://medicalxpress.com/news/2018-03-diet-obesity-cancer-nutrition-experts.html
The connection between diet, obesity, and cancer: Nutrition experts explore the evidence