Biliary rhabdomyosarcoma (RMS) is the most common biliary tumor in children. The management of affected patients contains unique challenges because of the rarity of this tumor entity and its critical location at the porta hepatis, which can make achievement of a radical resection very difficult. | Treatment and outcome of the patients with rhabdomyosarcoma of the biliary tree Experience of the Cooperative Weichteilsarkom Studiengruppe CWS