Age spots or sun spots (medical term: lentigo, plural lentigines) are collections of melanocytes in the upper layers of the skin. They typically occur in sun-exposed areas such as the neck and chest, where sunscreen use is less common, but can also be seen on the face or other areas of the body...
If you still have pufffiness than you are not yet fully healed. Collagen production may occur for six months after laser and the lines may still improve. You may have to be patient to see the final result.
This is a giant nevus. Treatment is usually serial excision if large. Your lesion is quite large and its location is complicated. You should definitely visit with a board certified plastic surgeon for solid answers to your questions.
