I know of no FDA approved non surgical/non invasive treatment for gynecomastia. If you are seeking non surgical options for mild gynecomastia, I think that Vanquish which uses RF energy, or UltraShape that uses ultrasound rather than Cool Sculpt would be the best option though all are off FDA...
If there were abnormal findings ont he pathology, it is best to discuss them with your doctor directly so he can go over it with your carefully and offer advice about what can be done for you.
Please, consider the fact that breast is made from fat and gland and ratio of these two are different in different people and would vary with aging in same individual. to answer your question I would suggest if you have reached to your goal weight and you are not happy with the size of your...