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 . Bibasilar atelectasis has improved slightly over the interval . Stable moderate pulmonary edema with persistent pulmonary vascular engorgement . Interval increase in density of left upper lobe opacity is concerning for pneumonia . Cardiomediastinal contours are unchanged . Endotracheal tube ends 5 .4 cm from the carina . Right - sided internal jugular central venous line ends in the proximal right atrium . Nasogastric tube courses into the stomach and of the field of view . No pneumothorax .
    OUTPUT:
    
1 . Interval increase in density of left upper lobe opacity is concerning for pneumonia . 2 . Bibasilar atelectasis has improved slightly over the interval . Stable moderate pulmonary edema with persistent pulmonary vascular engorgement .