Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs demonstrate a micronodular pattern of parenchymal opacification with a lower lobe predominance . There are low lung volumes which accentuate the pulmonary vasculature . The heart size remains normal . The mediastinal contours are unremarkable . There is no lymphadenopathy . There is no effusion or pneumothorax .
    OUTPUT:
    
Micronodular pattern of parenchymal opacification predominantly in the lower lobes , similar in appearance compared with ___ of this year . While this might represent recurrent atypical infection ( viral ) , other considerations include a pneumoconiosis or sarcoidosis although findings were not present one year prior arguing against the latter two . This is unlikely to represent metastasis given its stability over one month , though this remains a consideration . Findings were discussed with Dr . ___ at 3 :40 p .m . by phone .