The lump is about 1/3 inch in diameter and about 6 inches long, from navel to ribs. I've been to my nurse practioner about this. I had a few tests, one a sono(whatever) of my upper body, but the nurse thinks it's just my gallbladder. I told her that I have difficulty breathing when exerting myself, can't tie my shoes without losing my breath, can't bend over without hurting, can't walk upstairs without stopping. I am female and about 30 pounds overweight and have been working on reducing that for over a year (no progress). I'm 65 and on a limited budget or I would be going to other doctors. I can't find anything similar on the internet. Does anyone have any suggestions on what this might be or even if it's serious, or maybe I shouldn't worry about it?