Colonic PolypsPolypsIntestinal PolypsColonography, Computed TomographicAdenomatous PolypsColonoscopyColonic NeoplasmsAdenomatous Polyposis ColiColonAdenomaDiverticulosis, ColonicNasal PolypsRectal DiseasesGenes, APCSigmoid DiseasesRadiographic Image Interpretation, Computer-AssistedIntestinal MucosaColorectal NeoplasmsColonic DiseasesCervical Intraepithelial NeoplasiaProstatic Intraepithelial NeoplasiaMultiple Endocrine Neoplasia Type 1Sensitivity and SpecificityMultiple Endocrine Neoplasia Type 2aRetrospective StudiesMultiple Endocrine NeoplasiaUterine Cervical NeoplasmsCarcinoma in SituPrecancerous Conditions