Childhood cancer treatments and stem cell transplants can cause long‑term digestive problems such as bowel blockages, liver issues, and swallowing difficulties. Certain treatments and health factors like abdominal radiation, surgery, tobacco use, and graft‑versus‑host disease increase the risk. See article for tips on symptoms to watch for like heartburn, nausea, bowel changes, belly pain, or jaundice and stay on top of regular checkups to catch problems early.