Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . A linear density in the left lateral mid lung may represent plate - like atelectasis . Known pulmonary nodules seen on prior CT are poorly visualized . The heart size appears within normal limits . Mediastinal contour is normal . There is blunting of the left CP angle concerning for effusion . No pneumothorax . Bony structures are intact .
    OUTPUT:
    
Small left pleural effusion and left mid lung plate - like atelectasis . Known nodular opacities on prior CT are poorly visualized on radiograph .