I am 30,186cm year old,105kg.. I feel pain under right rib cage only at night when I sleep on my Right side. When I sleep on the left side or the back I not feel pain. Pain is not strong, I feel litle stronger pain only when I change my sleeping side from right to left. A few minutes pass. During the day not fill only sometimes a little discomfort. Also If I frequently work squatting I feel tightness discomfort.. This feel 1 year... Sounded USG (liver, pancreas, kidneys), a blood test is ok. The examination of the stomach find easy gastritis