Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A stent is present in left anterior descending coronary artery . The cardiac , mediastinal and hilar contours appear unchanged , including mild cardiomegaly . There is mild unfolding of the thoracic aorta . The arch is calcified . There is no pleural effusion or pneumothorax . A small eventration is noted along the right hemidiaphragm . The lungs appear clear .
    OUTPUT:
    
No evidence of acute disease .