How to know if your teenage son has adolescent gynecomastia

"I see a lot of young males with less than 10% body fat, who are into fitness training and bodybuilding. The primary cause of enlargement for this group of patients is due to the development of enlarged glands for which they will only require glandular excision and these cases are what we term as True gynecomastia. Gynecomastia sufferers have excess glandular breast tissue and excess fat tissues