_:vb50940056 . _:vb50940056 . _:vb50940056 "url:https://www.ncbi.nlm.nih.gov/pubmed/9590282"^^ . _:vb50940056 "A Lynch syndrome that has_material_basis_in heterozygous mutation in the TGFBR2 gene on chromosome 3p22."^^ . _:vb50940056 . _:vb50940056 . _:vb50940056 .