In gynecomastia, there is enlargement of the male breast due to benign ductal and stromal proliferation
5, >1, and >2 cm in diameter, a clinically useful definition of gynecomastia is palpable breast tissue that extends outside the area under the nipple and is ≥2 cm or as recent
Gynecomastia, the development of abnormally large mammary glands in males resulting in breast enlargement, occurs frequently in newborn and adolescent boys