Monarch Disease Ontology id MONDO_0036511 (childhood malignant kidney neoplasm) is a malignant neoplasm that affects the kidney and occurs in childhood. Also known as: childhood kidney cancer, childhood malignant kidney tumor, childhood malignant kidney tumour, childhood malignant renal neoplasm, childhood malignant renal tumor, childhood malignant renal tumour, kidney cancer of childhood, paediatric kidney cancer.