Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable semi-upright radiograph of the chest demonstrates moderate - sized right pleural effusion which may have possible loculated component , with adjacent atelectasis of the right lower lung . The cardiomediastinal and hilar contours are unremarkable . The left lung is clear . There is no pneumothorax .
    OUTPUT:
    
Moderate right - sided pleural effusion with possible loculated component and adjacent atelectasis . Recommend lateral radiograph of the chest for additional evaluation of possible loculation of pleural effusion if patient 's condition permits .