infratentorial cancer (MONDO_0003107) is malignant neoplasms which arise or occur within the intracranial cavity below the tentorium cerebelli. This includes neoplasms within the brain and/or surrounding spaces. Also known as: infratentorial neoplasms, malignant, malignant infratentorial neoplasm, malignant infratentorial tumor, malignant infratentorial tumors, malignant infratentorial tumour, malignant infratentorial tumours.