Is it normal for a man's breasts to be bigger and smaller?

The breast here generally refers to the breast, a man's breast a big one small is normal, should be judged according to the specific situation.

If the man's two breast size difference is small, it is normal. Because normal men's breasts will be a big one small, and not exactly equal, but the gap is not very large. If the man's two breast size difference is large, it is abnormal, generally related to male breast development, male breast cancer and other diseases.

When the man's two breast size difference is large, you can go to the hospital for related examinations to clarify the cause, such as physical examination, mammography, tumor marker examination, etc.