Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . Mediastinal and hilar contours are normal . Pulmonary vasculature is normal . Lungs are clear without focal consolidation . No pleural effusion or pneumothorax is seen . Mild elevation of the right hemidiaphragm with tenting appears unchanged , likely the sequela of prior pneumonia and chest tube placement . No acute osseous abnormalities present .
    OUTPUT:
    
No acute cardiopulmonary abnormality . No evidence for active tuberculosis .