Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest were acquired . There is minimal atelectasis or scarring in the lingula as well as evidence of emphysema . A large rounded left infrahilar opacity corresponds to a left lower lobe mass , better assessed on recent CT from ___ . The lungs are otherwise clear . There are no pleural effusions . No pneumothorax is seen . The heart size is normal . The mediastinal contours are normal .
    OUTPUT:
    
1 . No acute cardiac or pulmonary process . 2 . Left lower lobe lung mass , better evaluated on recent CT from ___ .