Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a dual - lead left pectoral ICD device with the leads coursing through the left transvenous approach and terminating into the right atrium and right ventricle respectively . Since ___ , previously described ill - defined opacity in the right mid lung is no more visible . Previously seen mild vascular congestion has completely resolved . There are no new lung opacities worrisome for pneumonia or pulmonary edema . Top normal heart size is unchanged . Mediastinal and hilar contours are unremarkable .
    OUTPUT:
    
Since ___ , a previously described ill - defined and faint opacity in the right lung is no more evident . No new opacities concerning for pneumonia . No pleural effusion .