Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since ___ reticulonodular opacities in the right mid and lower lung concerning for atypical pneumonia have completely resolved . No new lung opacities concerning for pneumonia . Mild to moderately enlarged heart is stable . Mediastinal and hilar contours are unchanged . Left transvenous dual pacemaker leads terminate at their expected locations , in the right atrium and right ventricle . Patient is status post median sternotomy , and the sternal sutures are intact . No pulmonary edema . There is no pleural abnormality .
    OUTPUT:
    
Since ___ , right mid and lower lung pneumonia has resolved . No new opacities concerning for lung infection .