Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Moderate left pleural effusion and moderate compressive atelectasis are improved from the prior study on ___ . There is no pneumothorax . The left hilum is enlarged , better evaluated on CT ___ , however is unchanged from prior study on ___ . Atelectasis in the left lower lung obscures lung lesions better evaluated on CT ___ .
    OUTPUT:
    
1 . No pneumothorax . 2 . Moderate left pleural effusion is moderately improved from prior study on ___ . 3 . Central adenopathy and evaluation of masses was better evaluated on CT ___ .