Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No significant change from the prior exam other than slight blunting of the left costophrenic angle on the prior exam that is not appreciated on today 's exam . The lungs are clear , without focal consolidation or pulmonary edema . Stable bilateral lung volumes . No pleural effusion or pneumothorax . The heart size is normal . Cardiac and mediastinal contours and hila are unchanged . Incidental old left clavicular fracture .
    OUTPUT:
    
No acute cardiopulmonary process .