Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac silhouette is enlarged . The pulmonary vasculature is engorged . Scattered septal lines are identified . Bilateral pleural effusions are present . Fluid is seen in the fissures as well . A density is seen overlying the mediastinum , which appears to be external to the patient .
    OUTPUT:
    
Cardiomegaly and pulmonary edema .