title: Significance of wall thickness in solitary cavities of the lung: a follow-up study.
mesh_terms: D003937:Diagnosis, Differential; D006801:Humans; D008168:Lung / Q000000981:diagnostic imaging*; D008171:Lung Diseases / Q000000981:diagnostic imaging*; D008175:Lung Neoplasms / Q000000981:diagnostic imaging*; D011446:Prospective Studies; D011859:Radiography; D012189:Retrospective Studies