胰腺癌是胰腺导管上皮恶变形成,为最常见的恶性肿瘤。由于组织学上的多样性,根据WHO分类法将其分为5类:导管癌、胰泡细胞癌、混合细胞癌、未确定细胞型及未分类细胞型胰腺癌。其中导管癌占75％～92％。胰腺癌根据TNM分期法进行分期。 Pancreatic cancer is a pancreatic ductal epithelial malignant formation, is the most common malignant tumor. Due to the diversity of histology, they are divided into five categories according to the WHO classification: ductal carcinoma, pancreatic ductal cell carcinoma, mixed cell carcinoma, undifferentiated cell type and unclassified pancreatic cancer. Including ductal cancer accounted for 75% to 92%. Pancreatic cancer was staged according to TNM staging.