{Reference Type}: Case Reports {Title}: Successful treatment of metastatic colorectal cancer with synchronous BRAF V600E mutation and dMMR with BGB-A317. {Author}: Cheng Y;Fang XF;Hu HG;Wang J;Sun LF;Yuan Y; {Journal}: Immunotherapy {Volume}: 12 {Issue}: 4 {Year}: 03 2020 {Factor}: 4.04 {DOI}: 10.2217/imt-2019-0148 {Abstract}: Metastatic colorectal cancer with BRAF mutation is a type of highly invasive malignant tumor with poor prognosis and few treatment options. Here, we report a case of a BRAF-mutant and DNA mismatch-repair deficiency colorectal cancer patient with postoperative recurrence as well as abdominal cavity and pelvic metastasis, whose condition was relieved continuously after treatment with a new anti-PD-1 antibody, BGB-A317.