How does X-ray appearance of unhealed tubercular cavity in lung differ from that of healed one?
D003731:Dental Caries; D006801:Humans; D008168:Lung; D011859:Radiography; D014376:Tuberculosis; D014397:Tuberculosis, Pulmonary / Q000000981:diagnostic imaging*; D014965:X-Rays
TUBERCULOSIS, PULMONARY/roentgenography