Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest . Small left pleural effusion with adjacent atelectasis is unchanged . A tiny right pleural effusion has improved . There is no evidence of pneumonia . The tiny left apical hydropneumothorax is more fluid - filled and a very tiny foci of air is seen . The mediastinal and hilar contours are normal .
    OUTPUT:
    
1 . Small left pleural effusion and adjacent atelectasis is unchanged . 2 . Decrease in tiny right pleural effusion . 3 . Tiny left apical hydropneumothorax is decreased in size and more fluid - filled .