Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is mildly enlarged . The aorta is slightly unfolded . Hilar contours are normal , and there is no pulmonary vascular congestion . Asymmetric opacity which is ill - defined in the right lung apex is nonspecific . No focal consolidation , pleural effusion or pneumothorax is present . There are no acute osseous abnormalities .
    OUTPUT:
    
Asymmetric ill - defined opacity within the right lung apex . This could reflect an area of scarring , but infection can not be excluded . Correlation with any prior radiographs and clinical history is recommended ; if no prior studies are available for comparison , then a short interval follow up radiograph is suggested after treatment .