Being overweight or obese may account for 52 percent of cases of pancreatic cancer in the U.S..

Being overweight or obese may account for 52 percent of cases of oesophageal cancer in the U.S..

Being overweight or obese may account for 43 percent of cases of kidney cancer in the U.S..

Being overweight or obese may account for 23 percent of female cases of endometrial cancer in the U.S..

Being overweight or obese may account for 23 percent of female cases of breast cancer in the U.S..

Being overweight or obese may account for 28 percent of female cases of colorectal cancer in the U.S..

Being overweight or obese may account for 35 percent of male cases of colorectal cancer in the U.S.

Obesity may increase the risk of some other cancers, including non-Hodgkin’s lymphoma, multiple myeloma, and leukaemia, by 1.2 to 2-fold.

It isn’t clear whether or not obesity increases the risk of ovarian cancer. Some studies have found the heaviest women have a 1.5 to 2 times greater risk, while other studies have not found any association between weight and risk of this cancer.

Being overweight increases the risk of pancreatic cancer by 30 percent, while being obese increases the risk 70 percent.

Being obese increases the risk of prostate cancer in men by 9-27 percent according to three very large recent studies. [The percentage was corrected on 08/04/04.]

Being obese may increase a woman’s risk of cervical cancer by 100-200 percent—in other words an increase of 2-3 fold—according to two studies, although two other studies found a smaller increase.

One-third to one-half of postmenopausal breast cancer deaths may be due to excess bodyweight according to a study from the American Cancer Society.

Adult weight gain is more important than body mass index (BMI) at determining the risk of postmenopausal breast cancer according to a study from the American Cancer Society.

Being overweight increases the risk of of a type of stomach cancer called gastric cardia cancer by 50 percent, while being obese increases the risk 100 percent. The gastric cardia is the opening of the esophagus into the stomach and the upper portion of the stomach that adjoins this opening.

Being overweight increases the risk of gallbladder cancer by 50 percent, while being obese increases the risk 100 percent.

Being obese increases the risk of liver cancer by 50 to 300 percent.

Being overweight increases the risk of oesophageal cancer by 100 percent, while being obese increases the risk 200 percent.

Being overweight increases the risk of kidney cancer, specifically, renal-cell cancer, by 50 percent, while being obese increases the risk 150 percent. Some studies suggest that the increase in risk with increasing BMI was greater in women than in men.

Being overweight increases the risk of endometrial cancer by 100 percent, while being obese increases the risk 250 percent.

Being overweight increases the risk of postmenopausal breast cancer by 30 percent in women, while being obese increases the risk 50 percent.

Being overweight increases the risk of colorectal cancer 50 percent in men and 20 percent in women. Obesity increases the risk of colorectal cancer 100 percent in men and 50 percent in women.

Avoiding weight gain reduces the risk of developing colon cancer, postmenopausal breast cancer, endometrial cancer, kidney cancer (renal cell carcinoma) and oesophagus cancer (adenocarcinoma).

Being 20-29 percent over ideal weight increases a woman’s risk of dying from breast cancer by 16 percent according to a study done by the American Cancer Society involving 750,000 people determined the risk of dying from individual diseases.

Being 20-29 percent over ideal weight increases the risk of a man dying from prostate cancer by 37 percent according to a study done by the American Cancer Society involving 750,000 people determined the risk of dying from individual diseases.