Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . Again seen left basilar opacity with blunting of the left costophrenic angle is consistent with a small to moderate left pleural effusion with overlying atelectasis . No new focal consolidation is seen . There is no evidence of pneumothorax . The cardiac and mediastinal silhouettes are grossly stable . There has been interval removal of the previously seen right - sided PICC .
    OUTPUT:
    
Left pleural effusion with overlying atelectasis .