“…EORTC QLQ-C30 consists of five functional scales with questions related to physical, role, emotional, cognitive and social functioning, a series of symptom scales specific for fatigue, pain, nausea and vomiting, appetite loss, sleep disturbance, dyspnea, constipation, diarrhea, and financial impact, and a global QoL scale. High scores in functioning scales represent a high level of functioning, while high scores in symptom scales represent a high level of symptoms [10,11,12,13,14]. Especially designed for patients with pancreatic cancer, QLQ-PAN26 consists of several items on pain, diet and digestion, fulfillment for healthcare, etc., and a high score indicates severe symptom suffering, while a low score indicates mild or no symptom suffering [15].…”