Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable semi-erect radiograph of the chest demonstrates slightly improved massive bilateral widespread parenchymal opacities . Cardiomediastinal and hilar contours are unchanged . Tiny right - sided pleural effusion is now present . Right - sided central venous line ends in the right atrium . Endotracheal tube is 9 .7 cm from the carina . Nasogastric tube courses into the stomach . There is no pneumothorax , or consolidation .
    OUTPUT:
    
1 . No pneumothorax . 2 . Right - sided central venous line ends in the right atrium and should be pulled back 2 - 4 cm for positioning in the mid-distal SVC . 3 . Endotracheal tube is 9 .7 cm from the carina and should be advanced 2 - 3 cm for more secure seating .