A non-metastasizing neoplasm arising from any part of the digestive system. The disease is benign digestive system neoplasm (MONDO_0000385). Also known as: alimentary part of gastrointestinal system benign neoplasm, benign GI neoplasm, benign GI system neoplasm, benign GI system tumor, benign GI system tumour, benign GI tumor, benign GI tumour, benign digestive system tumor.