Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographdemonstrates well expanded and clear lungs . No pleural effusion or pneumothorax . Heart size , mediastinal contour , and hila are unremarkable . Sternotomy wires are intact . Persistent curvature of the left hemi diaphragmatic surface is unchanged dating back to ___ . Limited assessment of the upper abdomen is within normal limits . Severe scoliosis is again noted .
    OUTPUT:
    
1 . No acute cardiopulmonary process . 2 . Persistent curvature of left hemidiaphragmatic surface , unchanged dating back to ___ is consistent with a diaphragmatic lobulation .