胆囊癌是胆道系统最常见的恶性肿瘤，近年来随着现代影像学诊断技术的广泛应用，对胆囊癌病理分级和转移方式的深入研究，胆囊癌的术前诊断率，手术切除率和术后5年生存率均有提高。有的报道早期胆囊原位癌可手术治愈。即使是祖、N期胆囊癌，经扩大胆囊切除术后，5年生存率也有 Gallbladder carcinoma is the most common malignant tumor of the biliary system. In recent years, with the wide application of modern imaging diagnostic techniques, in-depth study of the pathological grade and metastasis of gallbladder carcinoma, preoperative diagnosis of gallbladder cancer, surgical resection rate and postoperative The 5-year survival rate has improved. Some reports of early gallbladder carcinoma in situ can be cured. Even in ancestral and N-stage gallbladder cancer, the 5-year survival rate after expanded cholecystectomy is also