Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lowest part of the right costophrenic angle has not been included in this image . Accounting for this , there is no evidence of a substantial hydrothorax on the right . A small right apical pneumothorax is again demonstrated , measuring 3 mm . A basal opacity is noted on the left lung which is concerning for pneumonia .
    OUTPUT:
    
1 . Unchanged small apical right pneumothorax . 2 . New left lower lobe opacity , concerning for pneumonia . These findings were discussed with Dr . ___ by Dr . ___ ___ telephone on ___ at 1 : 50 PM , at time of discovery .