Phrygian cap in gallbladder refers to:
Phrygian cap is a clinically innocuous entity in which a paial or complete septum (or fold) separates the fundus from the body of the gallbladder. Reference: Harrisons Principles of Internal Medicine, 18th Edition, Page 2616
A septum (or fold) separates the fundus from the body of gallbladder
Agenesis of the gallbladder fundus
Oversized giant gallbladder
Duplication of the gallbladder