Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Lungs are grossly clear . Lung volumes are decreased . Increased density at the lung base seen on the lateral projection likely represents a pleural or soft tissue thickening . No pneumothorax . A moderate amount of subcutaneous emphysema along the left chest wall is unchanged . A small left pleural effusion is unchanged . Hilar and cardiomediastinal contours are normal . Left , minimally displaced rib fractures are stable . ___ be some extrapleural collections of hematoma along the left chest wall .
    OUTPUT:
    
1 . No pneumothorax . Moderate amount of subcutaneous emphysema along the left chest wall is unchanged from a ___ . 2 . Lung volumes are decreased . Bibasilar atelectasis is mildly increased . 3 . Left , minimally displaced rib fractures are stable .