Synonyms: benign tumor of the digestive system benign tumour of GI system alimentary part of gastrointestinal system benign neoplasm benign gastrointestinal system tumor benign GI system tumour benign tumour of the digestive system benign tumour of gastrointestinal system benign digestive system tumour benign digestive system tumor benign neoplasm of digestive system benign GI system tumor benign GI tumor benign tumor of digestive system benign tumor of the GI system benign gastrointestinal system tumour benign gastrointestinal tumour benign GI system neoplasm benign tumor of the gastrointestinal system benign tumor of gastrointestinal system benign neoplasm of the digestive system benign tumour of digestive system benign gastrointestinal tumor benign tumour of the GI system benign GI tumour benign neoplasm of gastrointestinal system benign tumour of the gastrointestinal system benign GI neoplasm benign gastrointestinal neoplasm benign tumor of GI system