Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest were acquired . There is minimal bibasilar atelectasis . No focal consolidation is seen . There is no evidence of pulmonary edema . Mild cardiomegaly is not significantly changed . The mediastinal contours are unchanged . Narrowing of the trachea near the level of the thoracic inlet is similar in severity compared to the prior radiograph from ___ . There are no pleural effusions . No pneumothorax is seen . There is partial visualization of an inferior approach large - bore central venous catheter with its tip projecting over the right atrium . An ___- mm radiopaque structure projecting over the left upper abdominal quadrant may be ingested content . There is unchanged mild elevation of the left hemidiaphragm .
    OUTPUT:
    
1 . Minimal bibasilar atelectasis . No focal consolidation . 2 . Unchanged elevation of the left hemidiaphragm . 3 . Mild cardiomegaly , not significantly changed .