i have a lump a few inches to the right side of my belly button . it is reddish , when i sit and lean forward there is discomfort . while walking there is discomfort and while walking there is some discomfort . if i try to touch the area , it hurts . i am 29 years old , app. 5ft 9'' and app. 235lbs . what to do , it there more than a month now . sometimes the size of the lump decreases an the pain eases . help me please .