Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is diffuse airspace opacification of the right upper lung consistent with the right upper lobe pneumonia . Indistinct airspace opacities in the left lung base may represent atelectasis or an additional site of consolidation . There is no pleural effusion , pneumothorax , or pulmonary edema . The cardiomediastinal silhouette is within normal limits .
    OUTPUT:
    
1 . Right upper lobe pneumonia . 2 . Airspace opacities in the left lung base may represent atelectasis or an additional site of consolidation .