Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No significant interval change since ___ . Lung volumes remain low . Left lower lung retrocardiac opacity is likely atelectasis and small left effusion . Central pulmonary vascular congestion and mild central edema is unchanged . Oblique right mid lung opacities most likely atelectasis . No pneumothorax . Heart size enlarged , unchanged . Convexity of the left mediastinum may reflect tortuosity of the descending aorta or enlargement of the pulmonary artery .
    OUTPUT:
    
1 . Increased left lower lobe opacity could reflect increased atelectasis and small left effusion . Of the left mediastinum may reflect 2 . Increased convexity of the left mediastinum were reflect an enlarged pulmonary artery or descending aorta . Recommend Chest CT non-emergently to further evaluate .