Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well - expanded and clear . No pleural effusion or pneumothorax . Heart size , mediastinal contour , and hila are unremarkable . Visualized osseous structures are unremarkable .
    OUTPUT:
    
1 . No acute cardiopulmonary process . No definite fracture . 2 . Although no fracture or other bone abnormality is seen , conventional chest radiographs are not appropriate for detection or characterization of chest cage lesions . Any focal findings should be clearly marked and imaged with either bone detail views or CT scanning .