Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable semi-upright radiograph of the chest demonstrates a retrocardiac opacity consisent with atelectasis . Additionally , there is a small right - sided pleural effusion with adjacent atelectasis . Cardiomediastinal and hilar contours are unremarkable . A right - sided central venous line ends in the mid SVC . Nasogastric tube courses into the stomach and out of the field of view .
    OUTPUT:
    
Nasogastric tube courses into the stomach and out of the field of view .