Monarch Disease Ontology id MONDO_0037736 (infratentorial neoplasm) is a benign or malignant neoplasm that occurs in brain parenchymal tissue below the tentorium cerebelli. Also known as: brain neoplasms, infratentorial, infratentorial neoplasms, infratentorial tumor, infratentorial tumors, infratentorial tumour, infratentorial tumours, neoplasms, infratentorial.