Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A transesophageal tube ends in the stomach . The most proximal side port ends at the gastroesophageal junction . A right Port - A - Cath ends in the right atrium . There are median sternotomy wires and left mediastinal surgical clips . The cardiac and mediastinal contours are stable . Compared to the prior radiograph performed 1 day prior , the volume of the left lower lung has decreased and new wedge shaped opacity in the mid lung is identified . There is no pleural effusion or pneumothorax . The right lung is clear . There is no free air beneath the hemidiaphragms .
    OUTPUT:
    
1 . No free air . 2 . New opacity in the left lung may represent infection or infarct .