Most common cause of hemobilia is
Carcinoma
Iatrogenic trauma
Blunt trauma
Cirrhosis
Hemobilia is bleeding commonly from the liver or occasionally from the gallbladder into the biliary tract.Accidental trauma,iatrogenic trauma (50%) is the most common cause.In accidents,Hemobilia is more commonly caused by blunt trauma than penetrating one.Other causes include Vascular diseases of hepatic aery,malignant and benign liver diseases,poal hypeension,parasitic liver diseases,etc. Reference:SRB's manual of surgery,5th edition,page no:662
G.I.T