diencephalic cancer (MONDO_0002786) is a cancer involving a diencephalon. Also known as: cancer of diencephalon, diencephalon cancer, malignant diencephalic neoplasm, malignant diencephalic neoplasms, malignant diencephalic tumor, malignant diencephalic tumour, malignant diencephalon neoplasm, malignant neoplasm of diencephalon.