胰腺癌在世界范围内呈增多趋势,已成为癌症致死第4位病因,5年生存期不超过1%,有“癌中之王”之称,被国际医学界列为“21世纪的顽固堡垒”,其恶性程度高、发展较快、预后差。由于其非特异临床症状:体重减轻、食欲减退、上腹部不适等,常被病人或医生忽视而延误诊断,早期诊断极为 Pancreatic cancer has shown an increasing trend in the world and has become the fourth cause of cancer death. The five-year survival period does not exceed 1%. It is known as the “king of cancers,” and is listed by the international medical community as “the stubborn fortress of the 21st century.” “It has a high degree of malignancy, rapid development, and poor prognosis.” Because of its non-specific clinical symptoms: weight loss, loss of appetite, upper abdominal discomfort, etc., often overlooked by patients or doctors and delayed diagnosis, early diagnosis is extremely