Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Linear opacities within the right lung base projecting over the heart on the lateral view , likely reflect areas of subsegmental atelectasis . No confluent consolidation is identified . A stent is visualized in the LAD distribution . Dense mitral annular calcifications are noted . There is no pulmonary edema or large pleural effusions . Cardiomediastinal and hilar contours are within normal limits .
    OUTPUT:
    
Right basilar subsegmental atelectasis . No pneumonia or pulmonary edema .