How common is male breast cancer?

Very rare.: Less than 1% of all cases of breast cancer diagnosed in the us annually are in men. The lifetime risk of a man developing breast cancer is about 1:1000.

Rare: `while there are around 230, 000 new breast cancer cases in the us yearly, there are around 1600 male breast cancers. You can do the math and see that proportionately it is very rare, but not impossible.

Uncommon: Male breast cancer is uncommon. There are about 2, 000 new cases and 450 deaths yearly in the us (compare to 230, 000 and 40, 000 yearly in women). It is more common in men with brca-2 mutations and other genetic conditions. Rare as it may be, it can happen so any man with a mass in the breast needs to see his doctor.

Not very: common, but about 1% of breast cancers occur in men.