Objective To study the CT characteristics of coexisting pulmonary tuberculosis and lung cancer. Methods One hundred and four patients of coexisting pulmonary tuberculosis and lung cancer proved by histology,cytology or clinical underwent CT examination. All patients were divided into two groups,group Objective To study the CT characteristics of coexisting pulmonary tuberculosis and lung cancer. Methods One hundred and four patients of coexisting pulmonary tuberculosis and lung cancer proved by histology, cytology or clinical underwent CT examination. All patients were divided into two groups, group