Comparison of suspected Lynch syndrome patients carrying BRCA and BRCA‐like variants with Lynch syndrome probands: Phenotypic characteristics and pedigree analyses

Background Colorectal cancer (CRC) patients diagnosed with Lynch syndrome (LS) are recommended genetic testing. Increasing numbers of germline variants involved in homologous recombination have been identified in suspected LS patients. This study compared phenotypic the characteristics of suspected LS patients carrying BRCA and BRCA‐ like variants with those of LS patients. Methods Forty‐two patients carrying pathogenic variants of DNA mismatch...