Is there a role for pre-operative RT (+/-chemo) for a borderline resectable Klatskin tumor as an attempt to try to get them to surgery?

From my perspective, there is a role for preoperative chemo-radiation for borderline resectable Klatskin tumors followed by re-evaluation for surgical resection (standard resection vs liver transplant).

Neo-adjuvant chemo-radiation followed by liver transplant has been evaluated as a treatment opti...