Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . Slight prominence of the hila is stable . No focal consolidation , pleural effusion , or evidence of pneumothorax is seen . The cardiac and mediastinal silhouettes are stable and demonstrating mild cardiomegaly and tortuosity of the aorta .
    OUTPUT:
    
No acute cardiopulmonary process .