In my experience the most common cause of recurrence in cases such as yours is incomplete resection of tissue t the original operation. Based on your photographs that is what I suspect. In cases of incomplete resection the treatment is to resect the...
The compression garment is very important with gynecomastia surgery. I am sure your surgeon explained. I would keep it on day and night for a total of 4 to 6 weeks. The tissue must stick down properly. The swelling will go up and down for 2 to 3 months.
The need for revision surgery should be very low, especially if you go to a Board Certified Plastic Surgeon who specializes in gynecomastia. Unfortunately there are many surgeons who do not have a lot of experience with male breast reduction who attempt to correct gynecomastia by liposuction...