Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A moderate left pleural effusion is new since ___ . Associated left basilar opacity likely reflect compressive atelectasis . There is no pneumothorax . There are no new abnormal cardiac or mediastinal contour . Median sternotomy wires and mediastinal clips are in expected positions .
    OUTPUT:
    
New moderate left pleural effusion with adjacent atelectasis in the left lung base .