Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable view of the chest demonstrates air under the right hemidiaphragm , likely related to recent prior surgery . The lungs are relatively low volume with bibasilar atelectasis and there is a new opacity overlying the left mid lung , likely reflecting pneumonia . Median sternotomy wires are present . The cardiomediastinal silhouette is stable since the prior study . No pneumothorax is identified .
    OUTPUT:
    
1 . New consolidation in the left mid lung , likely pneumonia . 2 . Air under the right hemidiaphragm , likely related to recent surgery .