My wife has a swelling on her side, below the armpit and to the side of her breast. it is soft, covers a large area and is visible on both sides but p?

See someone: I can tell you've done your best to describe this, however I'm not sure what it is by description. She needs to be evaluated for possible lymph node swelling or possible breast tissue mass. Either one can signify significant medical disease, so the sooner you get to the doctor the better. There is reason to hope that this is a benign process, but it needs to be evaluated. Hope she is better soon

See doctor: and have it checked by a doctor . It may be normal but the only way to know is to have it checked by a doctor.