Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low , with left lower lobe atelectasis . There are patchy opacities extending into the left mid lung , suspicious for superimposed infection . The right lung appears grossly clear . A right internal jugular Port - A - Cath terminates in the right atrium , unchanged in position . A nasogastric tube terminates in the upper esophagus . A subsequent chest radiograph obtained later on the same day shows is has been repositioned .
    OUTPUT:
    
Patchy opacities of the left lung base suspicious for a combination of atelectasis and pneumonia . An nasogastric tube terminates in the proximal esophagus . A subsequent chest radiograph shows this has been repositioned .