Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single AP view of the chest provided . Interval placement of a chest tube whose distal tip projects over the right costophrenic angle . Lung volumes are low . Mild bibasilar and retrocardiac atelectasis is improved . Moderate right pleural effusion is significantly improved . Moderate right pneumothorax . Cardiomediastinal contours are normal .
    OUTPUT:
    
1 . Moderate right pneumothorax . 2 . Interval placement of a right chest tube with the distal tip projecting over the right costophrenic angle . Can not say whether the drainage apparatus of the tube tip are within the pleural space . 3 . Moderate right pleural effusion is significantly improved from ___ .