From the photos the shape of your breasts after your reduction is poor. A revision would improve your shape and your scars can be revised. Visit with an experienced board certified plastic surgeon near you to learn more about the procedure. Be sure to discuss your concerns and learn more...
Yes it is possible to have a second breast reduction. Discuss your history of keloid formation with your surgeon. She/He will work with you to help promote favorable scars and can watch for early signs of keloids. I've included a video I hope you find helpful.
The best technique is The Bellesoma Method. This will reduce and reshape your breast tissue creating upper pole fullness without implants, elevate them higher on the chest wall and more medial to increase your cleavage. The weight of the breast is transferred to the underlying pectoralis major...