In this task, you will be given sentences in which your task is to recognize the name of the organ of the body. An organ is a collection of tissues that structurally form a functional unit specialized to perform a particular function. Although there might be several correct answers, you need to write one of them.

Example input: I have serious allergy in my left eye.
Example output: eye
Example explanation: Eye is an organ which has been affected, hence should be tagged.
Q:  From the standpoint of the etiopathogenic mechanisms the angiocholitis was determined by biliary lithiasis in 59 cases , by sclerosis of the Oddi sphincter in 5 cases , by postoperative cicatriceal stenosis of the main biliary pathway in 2 cases , by hepatic hydatitosis in 16 cases , by Vater ampuloma in 10 cases by cancers of the main biliary pathway in 40 cases and by the congenital cyst of the choledocus in one case .
A:
hepatic