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

Table 3

Characteristics of patients with benign biliary disease (𝑛=30).

Item	Number of patients
Cholelithiasis	26
Benign fibrous stricture	2
Primary sclerosing cholangitis	2