Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable semi-upright radiograph of the chest demonstrates low lung volumes which results in bronchovascular crowding . Left lower lobe collapse has recurred . The cardiomediastinal and hilar contours are unchanged . The endotracheal tube ends 1 .8 cm from the carina . Chest tubes project over the left hemi thorax . Swan - Ganz catheter ends in the right pulmonary artery . Left ventricular assist device is in unchanged position . Nasogastric tube courses into the stomach . Left - sided PICC line ends at the cavoatrial junction .
    OUTPUT:
    
1 . Nasogastric tube courses into the stomach . 2 . Endotracheal tube ends 1 .8 cm from the carina . 3 . Left lower lobe collapse has recurred .