Rare diseases · Sign or symptom
Neoplasm of the small intestine
Small intestine tumor
HP:0100833
What it means
The presence of a neoplasm of the small intestine.
An estimated 40% of small bowel cancers are adenocarcinomas, 40% are carcinoids, 15% are sarcomas (GI stromal tumors), and less than 5% are lymphomas.
Rare diseases that can present with this8
The range is how often this sign appears among people diagnosed with each disease — it is not a probability of having any of them. Many of these signs also occur in common, non-rare conditions. A sign on this page is a conversation to have with a clinician, not a conclusion.
Part of the broader category
Also called: Small intestine tumour
Tracking symptoms like this for someone? Eleplan keeps symptoms, diagnoses, medications and every specialist in one plan.
Start free with EleplanThis page uses the Human Phenotype Ontology (2026-06-23) — Human Phenotype Ontology Consortium, hpo.jax.org. Disease associations from Orphanet (INSERM), CC BY 4.0. Content is educational and is not medical advice.