Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest are compared to previous exam from ___ . Improved inspiratory effort seen on the current exam . The lungs are clear . Previously seen small effusions have resolved . Cardiomediastinal silhouette is within normal limits . Prominence of the aortic knob is again noted as well as tortuosity of the descending thoracic aorta . No free air seen below the diaphragm . Left upper quadrant drain on prior is no longer seen . Left PICC is no longer seen . Surgical clips are seen in the upper abdomen .
    OUTPUT:
    
No acute cardiopulmonary process . No free air below the diaphragm .