Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is normal . The hilar and mediastinal contours are normal . There is a diffuse chronic interstitial abnormality . More dense opacity seen at the lung bases . A superimposed infectious process is suspected . The lungs are hyperinflated . There is a 1 .4 - cm nodule in the right upper lobe , for which a CT is recommended to evaluate for malignancy . There is no evidence of a pneumothorax or pleural effusion . The visualized osseous structures are unremarkable .
    OUTPUT:
    
1 . Diffuse interstitial abnormality in the lungs which are hyperinflated suggesing COPD . Interstitial edema or other acute process superimposed on chronic lung disease is possible . Increased density at the bases may also be due to infection . 2 . 1 .4 cm nodule in the upper right lung . A chest CT is recommended to evaluate for malignancy . ___ d / w Dr . ___ by Dr . ___ by phone at ___ : ___p on the day of the exam by phone .