Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were reviewed and compared to the prior studies . A small left pleural effusion and adjacent left lower lung atelectasis has improved compared to the ___ study . Peribronchial parenchymal soft tissue in the right lung has also improved . There is no vascular congestion , pulmonary edema , right sided pleural effusion or pneumothorax . The cardiac silhouette is enlarged and blurred by the distribution of the pleural effusion and adjacent atelectasis . On the recent chest CT from ___ , the heart size was normal . Effusion and atelectasis seen adjacent to the heart on the recent CT account for the apparent enlargement of the cardiac silhouette on this study . Haziness of the left aortic contour is likely due to adjacent atelectasis , seen on the recent CT . Surgical clips in the left lower thorax are from the patient 's prior thoracic duct ligation . There are no concerning osseous or soft tissue lesions .
    OUTPUT:
    
Improving small left pleural effusion and adjacent left lower lobe atelectasis .