In this module, we, will discuss gynecomastia, a common benign condition. He will discuss the how, and when this occurs, and how to properly rule out conditions you cannot afford to miss, such as breast cancer. You will learn what questions to ask, how to perform a proper physical exam, and which investigations to order at the varying ages in which gynecomastia can occur. Lastly, you will go over a variety of interesting cases of gynecomastia and how to properly investigate and treat these patients.