BRAF and neoplasm: Patients were well balanced across the two groups in terms of age, sex, body mass index (BMI), preoperative comorbidity, preoperative chemotherapy, presentation of PM, preoperative CEA level, preoperative CA19-9 level, histology, tumour grade, adjuvant chemotherapy, BRAF status, and MSI (P > 0.05) (Table 1).