nan
Predictive, Oncogenic evidence:
Predictive: The study discusses the initiation of combined treatment with BRAF and MEK inhibitors following the identification of the BRAF V600E mutation, indicating that this variant correlates with a positive response to targeted therapy. The significant clinical improvement observed after starting the treatment further supports the predictive nature of this evidence.
Oncogenic: The presence of the BRAF V600E mutation in the context of chemotherapy-refractory extrahepatic cholangiocarcinoma suggests that this somatic variant contributes to tumor development or progression, as it is associated with the patient's cancer diagnosis and treatment decisions.