Increases in body mass index and waist size appear to raise the risk for male breast cancer.

One reason for late-age (and later stage) diagnosis may be that men and their doctors don’t think of themselves as being at risk.

In the study, the 5-year overall survival rate after a diagnosis of breast cancer was 77.6% for men, compared with 86.4% for women.

FDA says studies of new breast cancer treatments should allow enrollment of men as well as women.

Study finds the risk of breast cancer rises in transgender women taking hormone therapy but falls in trans men.

Male breast cancer warrior Wayne Dornan shares his experiences and his mission.