Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs demonstrate moderate to severe cardiomegaly . Lungs are fairly well - aerated , without focal consolidation , pleural effusion , or pneumothorax . Retrocardiac opacity corresponds to a tortuous aorta as seen on MR from the same day .
    OUTPUT:
    
No acute cardiopulmonary process . Moderate to severe cardiomegaly .