What organ behind belly button? i have feeling sharp pain which come and go at exact one same point at belly button (slightly to right side) for 3 months.smtimes pain at around abdomen(upper&lower), frequently at right sides and usually under ribcage

Doctor can check: A person with tummy pain near the belly button can have a variety of problems. A doctor's examination is needed, unless the person is young and healthy, and pain is mild and resolves quickly. Possible causes include: stomach acid reflux or ulcer symptoms, pancreatitis, liver or gallstone problems, abdominal muscle strains, some sort of hernia, intestinal cramps, skin pain sensations, etc...