3 Weeks Post Op Breast Augmentation 350cc Silicone Cohesive Teardrop and Asymmetric? (photo)

It is hard to say for certain what is exactly happening without a before photo. But I would disagree with the previous suggestions. At 3 weeks after surgery, the right implant actually looks the way that I would expect. Well positioned implants almost always appear to be too high in the pocket for at least a month and usually for about 3 months after surgery. An implant that looks "perfect" immediately after surgery is usually over-dissected and will be prone to "bottoming out". I would expect your right implant to look ideal in a few more months and expect your left implant to look too low. I would not suggest compression straps to try to induce the right implant to move down; it will do so on its own. The more likely problem is going to be the left implant which  will possibly need a procedure called a capsulorrhaphy to help re-establish the infra-mammary fold. I would suggest trying to stabilize the left implant to try to prevent it from further "bottoming out". I would be very surprised if the right implant did not descend into a normal and natural position on its own without assistance over the next several months. 

Thank you for the photos. You are way too early to make any statements about the final result. So far you look good. They usually start to descend at about three weeks. In general it may take 6 months to a year or so to have the implants finally fall into place. Best that you communicate with your board certified plastic surgeon and let him/her know what is going on. Every surgeon may have their own protocol for message, wearing bras, etc;.

Seeing preoperative photos will help determine what kind of asymmetry you had prior to augmentation.  It does appear that the implant pockets are different between the two breasts.  Your surgeon will be able to answer your questions much better as he/she will know what kind of dissection was performed.  You may need a band or the right implant may drop on its own.  It has only been three weeks, so there is still going to be a lot of change in the appearance of your breasts.