Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The inspiratory lung volumes are slightly decreased from the most recent prior study . The lungs are otherwise symmetrically expanded and clear without focal consolidation concerning for pneumonia . No pleural effusion or pneumothorax is detected . Mild biapical pleural thickening is noted . The pulmonary vasculature is not engorged and there is no overt pulmonary edema . The cardiac silhouette is normal in size allowing for slightly decreased lung volumes . The mediastinal and hilar contours are stable . The trachea is midline . There is no evidence of free air beneath the right hemidiaphragm .
    OUTPUT:
    
1 . No acute cardiopulmonary process . 2 . No free air beneath the right hemidiaphragm .