3.42 Multiple. 3.5 Cavitary nodule 3.5.1 Single 3.52 Muliple 3.6 Pleural effusion 3.7 Atelectasis 4.Abnormal radiographic findings in common chest diseases: 4.1 Congenital diseases. 4.2 Foreign body 4.3 Traumatic chest :Fracture,Pneumothorax,hydropneumothorax,hemothorax 4.4 Inflammatory diseases 4.4.1 Pulmonary tuberculosis 4.4.2 Non-tuberculous infection (bacteria,virus,protozoa,fungus) 4.4.3 Empyema 4.4.4 Lung abscess 4.6 Neoplastic diseases (lung,mediastinum,pleura,) 4.6.1 Benign 4.6.2 Malignant 10 10 3.4.2 Multiple. 3.5 Cavitary nodule. 3.5.1 Single 3.5.2 Multiple. 3.6 Pleural effusion. 3.7 Atelectasis 4. Abnormal radiographic findings in common chest diseases : 4.1 Congenital diseases. 4.2 Foreign body 4.3 Traumatic chest :Fracture,Pneumothorax, hydropneum othorax, hemothorax 4.4 Inflammatory diseases 4.4.1 Pulmonary tuberculosis 4.4.2 Non-tuberculous infection (bacteria, virus, protozoa, fungus) 4.4.3 Empyema 4.4.4 Lung abscess 4.6 Neoplastic diseases (lung, mediastinum , pleura, ) : 4.6.1 Benign 4.6.2 Malignant