Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac silhouette is enlarged . Right basilar and retrocardiac opacities are noted , which and infectious process can not be excluded . There is mild pulmonary edema . No large pleural effusion or pneumothorax identified .
    OUTPUT:
    
Right basilar end retrocardiac opacity could represent an infectious process in the appropriate clinical setting . Cardiomegaly and mild pulmonary vascular congestion . No large pleural effusion .