Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac mediastinal silhouettes are grossly stable . As seen on prior CT from ___ , the ascending aorta and proximal aortic arch is dilated . The cardiac silhouette remains enlarged . Definite focal consolidation is seen . There is no pleural effusion or pneumothorax . No overt pulmonary edema is seen .
    OUTPUT:
    
Persistent enlargement of the cardiomediastinal silhouette in this patient with history of cardiomegaly and aortic dilatation . No focal consolidation to suggest pneumonia .