infratentorial cancer cervicomedullary junction neoplasm https://www.malacards.org/card/cervicomedullary_junction_neoplasm MONDO:0003108 tumor of cervicomedullary junction cervicomedullary junction neoplasms neoplasm of cervicomedullary junction cervicomedullary junction tumor tumour of cervicomedullary junction neoplasm of the cervicomedullary junction tumor of the cervicomedullary junction MEDGEN:272453 tumour of the cervicomedullary junction cervicomedullary junction tumour DOID:4707 UMLS:C1332923 NCIT:C5423 spinal cord neoplasm