Department of General Surgery;
Second Affiliated Hospital;
School of Medicine;
Zhejiang University;
Hangzhou 310009;
Zhejiang Province;
China;
Department of Pathology;
First Affiliated Hospital;
School of Medicine;
Zhejiang University;
Hangzhou 310003;
Zhejiang Province;
China;
Malignant carcinoid syndrome; Neuroendocrine tumors; Carcinoma; Gallbladder; Carcinoid tumor; Case report;