Total 39 clinical symptoms reported for Familial adenomatous polyposis 
Adenomatous colonic polyposis Presence of multiple adenomatous polyps in the colon.
 
Synonyms:Multiple adenomatous colon polyps; Multiple colonic adenomatous polyps
Very frequent
Colon cancer
 
Synonyms:Colon cancer
Very frequent
Colorectal polyposis Multiple abnormal growths that arise from the lining of the large intestine (colon or rectum) and protrude into the intestinal lumen.
 
Synonyms:Colorectal polyps
Very frequent
Congenital hypertrophy of retinal pigment epithelium Sharply demarcated, congenital hyperpigmentation of the retinal pigment epithelium.
 
Very frequent
Desmoid tumors Benign, slow-growing tumors without any metastatic potential. Despite their benign nature, they can damage nearby structures causing organ dysfunction. Histologically they resemble low-grade fibrosarcomas, but they are very locally aggressive and tend to recur even after complete resection. There is a tendency for recurrence in the setting of prior surgery and the most common localisation of these tumors is intraabdominal from smooth muscle cells of the instestine.
 
Very frequent
Neoplasm of the gastrointestinal tract A tumor (abnormal growth of tissue) of the gastrointestinal tract.
 
Synonyms:Gastrointestinal tract neoplasia; Gastrointestinal tract neoplasm; Gastrointestinal tract tumor; GI tract tumor; Neoplasm of the GI tract
Very frequent