Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Pacemaker projects over the left pectoral region with wire tips in the right atrium and right ventricle . Interval resolution of vascular congestion . Right lower lobe linear opacities are more distinct . Low lung volumes with no new focal opacity , pneumothorax or pleural effusion . Large hiatal hernia is again noted . Heart size is top normal with normal mediastinal contour and hila . No bony abnormality .
    OUTPUT:
    
1 . Interval resolution of pulmonary vascular congestion . 2 . Right lower lobe opacity is likely atelectasis ; however , pneumonia is also possible in the appropriate clinical setting . Results were conveyed via telephone to Dr .___ by Dr .___ on ___ at 2 :40 PM within 10 minutes of observation of findings .