Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were reviewed . Compared to this prior study , mild cardiomegaly is unchanged . The lungs are clear and there is no evidence of vascular congestion , pleural effusion , or pneumothorax . There are no concerning osseous or soft tissue lesions .
    OUTPUT:
    
No acute cardiopulmonary process .