There are various grading systems for gynecomastia. We use Rohrich’s Classification system. This system divides the condition into 4 different grades. Grade 1 - Men who fall in this grade have minimal hypertrophy (enlargement of organ or tissue) with no breast sagging. Grade 2 - Here men exhibit moderate hypertrophy with no breast sagging. Grade 3 - Men in this grade have severe hypertrophy with grade 1 sagging. Grade 4 - In this grade, men have severe hypertrophy with grade 2 or 3 sagging.