Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperexpanded and clear . The previously described focal opacity in the left midlung has resolved . Cardiac silhouette is top - normal in size . The aorta is mildly tortuous . No pneumothorax , pleural effusion , or consolidation . Biapical thickening is unchanged .
    OUTPUT:
    
No acute cardiopulmonary process .