Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . The cardiac silhouette is enlarged . Increased interstitial opacities is seen in the lungs bilaterally . There is no large pleural effusion noting minimal blunting of the right posterior costophrenic angle which may be due to trace effusion . Slightly increased opacity seen on the lateral view in the subcarinal region . Given suggestion of a well - defined posterior and inferior margin on the lateral view . No acute osseous abnormality is detected .
    OUTPUT:
    
Pulmonary edema and possible trace right pleural effusion . Enlarged cardiac silhouette suggestive cardiomegaly noting that pericardial effusion is also possible . Increased density in the subcarinal region raises possibility of underlying rounded structure and followup after treatment is suggested to further characterize .