Research Article

Identification of a Novel Biomarker for Biliary Tract Cancer Using Matrix-Assisted Laser Desorption/Ionization Time-of-Flight Mass Spectrometry

Table 2

Characteristics of patients with biliary tract cancer.

ItemNumber of patients

Location
 Extrahepatic16
 Intrahepatic17
 Klatskin7
 Ampulla of Vater6
 Gallbladder16
UICC stage
 Stage I6
 Stage II10
 Stage III16
 Stage IV30