A 2-year-old male child with diffuse abdominal pain, mass in the abdomen and red currant jelly stool

A 2-year-old male child, the second issue of non-consanguineous parents, from average socio-economic status hailing from Dinajpur, Bangladesh was attended at Pediatric Surgery outpatient department with the complaints of vague diffuse abdominal pain in the lower right side of abdomen and around the umbilical region for last 3 days. His mother also reported the feeling of a solid mass in the abdomen during dressing of her child. Then, gradually his problems were increasing in nature with several times of nausea, vomiting, and the passage of blood mixed stool three times before his admission.