APC and colorectal carcinoma: Proband (IV‐11) was screened for a panel of 14 genes (APC, AXIN2, EPCAM, MLH1, MLH3, MSH2, MSH6, MUTYH, PMS1, PMS2, STK11, PTEN, SMAD4, and BMPR1A) related with CRC by targeted next‐generation sequencing (NGS).