A<unk>  (or hilar cholangiocarcinoma) is a cholangiocarcinoma (cancer of the biliary tree) occurring at the confluence of the right and left hepatic bile ducts. The disease was named after Gerald<unk> , who in 1965 described 15 cases and found some characteristics for this type of cholangiocarcinoma
Klatskin tumor
Ganglion cyst
Askin's tumor
Lipoblastoma
Acrospiroma
Nuchal fibroma
Epidermoid cyst
Tarlov cyst