Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . There is no pleural effusion , pneumothorax or focal airspace consolidation . Slight obscuration of the cardiac apex is unchanged . Bilateral nipple shadows are noted . The heart size is normal . A small amount of calcification is noted within the aortic arch . The hilar structures are unremarkable . Biapical pleural thickening is unchanged from ___ .
    OUTPUT:
    
No acute cardiopulmonary process .