The diagnosis of cancer in children.
D000008:Abdominal Neoplasms / Q000175:diagnosis; D000367:Age Factors; D002493:Central Nervous System Diseases / Q000175:diagnosis; D002648:Child; D006801:Humans; D007938:Leukemia / Q000175:diagnosis; D008223:Lymphoma / Q000175:diagnosis; D009369:Neoplasms / Q000175:diagnosis*; D011859:Radiography; D014682:Vena Cava, Inferior / Q000000981:diagnostic imaging