Post mastectomy discomfit
My mum had her right breast and lymph node removal two years ago. After treatment finished she decided to have the other breast removed as a precaution and to make it easier in regards to prosthetics....
Forum Discussion
She may need to see a specialist physio as it could be tissue adhering to the scar as @tonyam says. They can work on it and show your Mum the right way to massage the area. But do give it a chance to heal