Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest . There is a moderate right pleural effusion which apepars slightly decreased in size compared to ___ . There is adjacent right mid lung opacities which are likely atelectasis however pneumonia in this area can not be ruled out . There is no left pleural effusion . There is no pneumothorax . Difficult to accurately assess cardiac size due to right base opacity . Mediastinal contours are grossly stable .
    OUTPUT:
    
Moderate right pleural effusion is slightly smaller compared to ___ . Right mid lung opacities likely represent atelectasis however pneumonia can not be ruled out .