Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Midline sternotomy wires and mediastinal clips again noted . There is no focal consolidation , effusion , or pneumothorax . Pleural thickening likely accounts for the left CP angle blunting , stable from prior . The cardiomediastinal silhouette is normal . Imaged osseous structures are intact . No free air below the right hemidiaphragm is seen . Calcified gallstones are partially imaged in the upper abdomen .
    OUTPUT:
    
No acute intrathoracic process . If there is strong concern for rib fracture , a dedicated rib series may be performed .