Frequent stomach pain for 6 years boy.

My son is suffering from stomach pain ..we consulted dr..after ultra sound scan the result is" Multiple enlarged mesenteric nodes of size 7-9mm, E/o herniation of terminal ileum into caecum forming a whorled mass like lesion noted at right iliac region,normal mural thickness S/o ileocecal intussusception..." The above details are taken on 28th Feb and before scan we are under medication.. antibiotics and stomach pain medicine...based on this dr suggested to meet pedratic suergon..he told us to again take ultrasound scan today 3rd March the result is as below". Small non specific mesenteric nodes measuring 7-8mm seen Impression-no significant sonographic abnormality noted"... Based on scan dr said he is fine...1st scan report they said entrails overlapping...we are worrying kindly suggest how to take care of my boy