On the other hand, malignant and cancerous tumors invade the tissue in which they develop. They often pass into the lymphatic system and the bloodstream, forming secondary tumors at other sites known as metastases. Growth rate and metastasis vary depending on the tumor type.
Colorectal, prostate, and breast cancer are the types of cancer most closely associated with diet. Recent research has shown that the type of fat tends to have more implications for the incidence of cancer than the amount of fat.