Had breast augmentation 10 months ago - saline, inframammary incision, submuscular. Had augmentation with the intention to increase from small-B to medium -C, not improve sagginess. Now want to decrease from 405cc's to 250cc's. 26 years old, no pregnancies, no breast feeding. Taking into acocunt skin and muscle elasticity, as well as the fact that they've only been in 10 months, what are the chances this could be a simple exchange with no lift required? Is 6 weeks enough time for the swelling to go down?