Biliary fistula in Hydatid cyst liver

Q) Which is not true in terms of biliary fistula in  hydatid cyst liver

a) Cyst diameter more than 10 cm is a predictor of intrabiliary rupture

b) Minor communications are revealed by post op bile leak

c) Major biliary communication is fistula more than 5 mm or communication in the bile duct

d) Major biliary communication is seen in 15-20%

Budd chiari syndrome

Q  BCS true is

a) Hepatic venography needed for diagnosis

b) Triad of pain hepatomegaly and jaundice

c) Mesocaval graft thrombosis precludes liver transplant

d) In IVC  stenosis, splenorenal shunt can be used