https://www.registrotumoripediatrici.ch/wp-content/uploads/sites/4/2026/02/Programm.jpg474474gvautravershttps://www.registrotumoripediatrici.ch/wp-content/uploads/sites/4/2019/10/kikr-logo.svggvautravers2026-02-26 13:17:452026-02-26 14:55:0350 years of ChCR – Preliminary program 21. – 22. August 2026