“…45,51 Therefore, although data are few with regard to the sequencing and duration of preoperative treatment modalities, most agree that a treatment schema that incorporates systemic chemotherapy and chemoradiation is the optimal strategy, and this notion has been embraced by several institutions and high-volume pancreatic cancer treatment centers ( Table 2). 25,[43][44][45][46][47][48][49] Metrics of Response to Neoadjuvant Therapy When neoadjuvant therapy is administered, patients should be staged before initiation and after completion of therapy (chemotherapy, chemoradiation, or both). 52,53 Changes in the patient's clinical or biologic status or the radiographic findings at the time of restaging may necessitate a reassessment of the treatment plan.…”