I did usg of abdomen 3 mnths bk and found all normal with mild hepatomegaly. prsntly feeling dull discomfort on right upperside of abdomen near rib?

Rib fracture: Without knowing exactly the character of your pain, the other possibility is that your pain could be related to an old rib fracture that is slow to heal. These can be difficult to prove, even with an x-ray. Make sure you had liver function tests to make sure that your liver is functioning well-- hepatomegaly can also be related to steatosis of the liver.