Many. Breast, endometrial (uterine), colon, kidney and esophageal.
Many. There are many cancers associated with obesity, but primarily post menopausal breast cancer, colorectal cancer, and endometrial cancer, but there are also other types of cancer with good evidence of links to obesity. These cancers include pancreatic, gall bladder, renal, cervical, and non-hodgkin's lymphoma. Being normal weight has many other advantages, but just losing a few kilograms can help.