<s>[INST] I just recently had an ultrasound and CT scan with the results coming back with mild splenomegaly. I've had blood work done with results coming back as normal. Blood pressure is normal, however I have a high pulse (~ 95 bpm). This all started back in April 2011 when I got either a severe stomach virus or other illness that caused burning/cramping in the stomach, nausea, lack of appetite, etc.. It doesn't seem like my GI specialist or Primary Care Doctor are too worried about it. Just wondering if a person can be born with it or are there other tests that can be performed. They pretty much ruled out the major causes of splenomegaly, but I'm still worried that I've got something that's causing this. My weight is ~ 220 lbs and I'm 40 years old. I've never had any serious medical condition except I've got torn rotator cuffs and bursitis in both shoulders. Any help or guidance would be greatly appreciated. [/INST] Hi,Splenomegaly is enlargement of spleen. It can be mild, moderate or severe.Spleen enlargement could be due to infection as spleen enlarges to produce more cells to fight infection. Spleen size will vary amongst different people and their is no specific normal size.Mild on ultrasound could be normal to you.As most of the tests done are negative, you need not worry. If you want to do a recheck, get an ultrasound done after six months to check any increase.Hope it helps.Any further queries, happy to help again.Dr. Prakash HM </s>