Thank your for your question. What you are experiencing is very common after breast reconstruction with placement of expanders under the muscle. Ask for a referral to physical therapy as it is very important for you to start improving your range of motion and having a good posture....
Usually a lump is identified in the breast on one side or during screening mammography. If there have been changes that now have you concerned then please start by being seen and examined by your primary physician.
Thank you for your question and picture. I am sorry to hear that you are not satisfied with your reconstruction. I recommend discussing your concerns again with your plastic surgeon and communicate your goals and desires. Best of luck.