Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to the prior study patient has taken a deeper breath . There are persistent bilateral patchy and rounded opacities which may represent multifocal pneumonia and / or pulmonary edema , although these could also represent coalescing metastatic lesions as seen on previous chest CT . A small right pleural effusion is present . There is no pneumothorax .
    OUTPUT:
    
Persistent bilateral rounded and patchy opacities which could represent multifocal pneumonia and / or pulmonary edema versus coalescing metastatic lesions as seen on recent chest CT .