Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to prior radiographs on ___ , there are consolidations at the bilateral lung bases , could represent active or resolving pneumonia . There is mild - to - moderate cardiomegaly . There is no pleural effusion , vascular congestion or edema . No pneumothorax .
    OUTPUT:
    
Bibasilar consolidations , may represent active or resolving pneumonia . If clinical evaluation is not consistent with active or resolving pneumonia , oblique views or CT should be obtained to help further characterize these consolidations .