Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are heterogeneous airspace opacities in the right upper and lower lobes as well as the left lower lobe . Moderate cardiomegaly is again noted . No pleural effusion or pneumothorax . Osseous structures are intact .
    OUTPUT:
    
1 . Multifocal airspace opacities concerning for pneumonia , worst in the right upper lobe . 2 . Moderate cardiomegaly , stable .