Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear without consolidation or edema . There is no pleural effusion or pneumothorax . There is biapical scarring and volume loss in the upper lobes . In the right upper lung zone , there is a possible nodule , though this may be due to superimposed shadows from overlapping ribs and vessels . The cardiomediastinal silhouette is normal . No fracture is identified .
    OUTPUT:
    
1 . No acute cardiopulmonary process , such as pneumothorax . 2 . Possible right upper lobe nodule . Recommend nonemergent lordotic views . If the patient is a smoker , recommend a nonemergent chest CT . 3 . Biapical scarring and volume loss in the upper lobes , most likely from prior granulomatous disease .