Lynch syndrome Lynch syndrome 2 https://github.com/monarch-initiative/mondo/issues/5666 https://github.com/monarch-initiative/mondo/issues/9178 https://www.malacards.org/card/lynch_syndrome_2 UMLS:C1333991 An autosomal dominant hereditary neoplastic syndrome caused by pathogenic variants in the MLH1 mismatch repair gene. It is characterized by an increased risk of colorectal cancer in the absence of extensive polyposis, endometrial, ovarian, gastric, small intestinal, and urinary tract cancers, often occurring at younger ages. HNPCC2 MONDO:0012249 OMIM:609310 Hereditary nonpolyposis colorectal cancer type 2 MESH:D055847 DOID:0070274 colorectal cancer, hereditary nonpolyposis, type 2 Lynch 2 syndrome MEDGEN:232603 GARD:0015457 MLH1-related Lynch syndrome NCIT:C6726 Hereditary non-polyposis colon cancer type 2 familial non-polyposis colon cancer type 2 COCA2