Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Asymmetric biapical pleural scarring is again noted . There is no pneumothorax or pleural effusion . The lungs are clear . Mild cardiomegaly is stable . The left pulmonary arterial contour is prominent , raising concern for pulmonary arterial hypertension .
    OUTPUT:
    
Asymmetric pleural scarring with otherwise clear lungs . An apical lordotic view radiograph or chest CT is recommended . Stable cardiomegaly .