Female, 26 years old, 5 4 tall, 125 lbs, I upper abdominal pain, in the middle and a little bit to the left, for 6 days now, it is constantly there, but it does not hurt when bend a little bit forward or lying flat on my back, it hurts when I sit up straight or lay on my left side. I have no other symptoms. I do not smoke or drink. And I am not pregnant.