[Back pain].
D001416:Back Pain / Q000209:etiology; D002574:Cervical Vertebrae / Q000000981:diagnostic imaging; D006801:Humans; D008111:Liver Function Tests; D008113:Liver Neoplasms; D008297:Male; D008875:Middle Aged; D009362:Neoplasm Metastasis; D011859:Radiography; D013120:Spinal Cord Neoplasms