Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The mild pulmonary edema on the last radiograph has mostly resolved as has a left lower lobe pneumonia . Residual band of opacities in the left lower lobe likely correlates to a band of atelectasis , also demonstrated on the recent CT of the torso . Left pleural effusion has decreased in size . Right lung is essentially clear . Cardiomediastinal silhouette and hilar contours are stable .
    OUTPUT:
    
1 ) Resolving left lower lobe pneumonia 2 ) Previously mild pulmonary edema has improved .