This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Surgery
which of the following does not come under GARDNER syndrome ? 
Select and explain. 
A. classical familial adenomatous polyposis, B. exostosis, C. colorectal cancer, D. multiple sabaceous cyst
C: colorectal cancer
Answer: C: colorectal cancer 
Explanation: Gardner&;s Syndrome * Familial adenomatous polyposis * Extraintestinal manifestation -- Bone * Osteoma of mandible (90%), skull, and long bones * Exostoses * Dental abnormalities (supernumerary teeth, impacted teeth) -- Congenital hyperophy of the retinal pigmented epithelium (CHRPE) -- Mesenteric fibromatosis (Desmoid tumors) multiple sabaceous cyst . ref : bailey and love 27th ed