Mismatch Repair Cancer Syndrome 1, also known as turcot syndrome, is related to mismatch repair cancer syndrome and lynch syndrome 4. An important gene associated with Mismatch Repair Cancer Syndrome 1 is MLH1 (MutL Homolog 1), and among its related pathways/superpathways are Infectious disease and Regulation of TP53 Activity. The drugs Ciprofloxacin and Dopamine have been mentioned in the context of this disorder. Affiliated tissues include brain and colon, and related phenotypes are multiple cafe-au-lait spots and astrocytoma