Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A portable frontal chest radiograph demonstrates a normal cardiomediastinal silhouette . The right pleural effusion is increased in size , now moderate , with associated atelectasis . No left pleural effusion is present . There is no focal consolidation or pneumothorax . The visualized upper abdomen is unremarkable .
    OUTPUT:
    
1 . Moderate right pleural effusion , similar to slightly increased . 2 . Slightly increased opacity in the right lung may reflect atelectasis or asymmetric edema .