A sign is something that can be observed and recognized by a doctor or healthcare professional (for example, a rash). A symptom is something that only the person experiencing it can feel and know (for example, pain or tiredness). Small intestine cancer may cause vague signs or symptoms, or none at all, in its early stages. Symptoms appear once the tumour grows into surrounding tissues and organs, or may occur when the tumour blocks (obstructs) the small intestine.
The signs and symptoms of small intestine cancer can also be caused by other health conditions. It is important to have any unusual symptoms checked by a doctor.
Signs and symptoms of small intestine cancer are: