Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since the prior exam , via a right internal jugular sheath , there is a transvenous pacer coiled in the right atrium . The tip is pointing downward and may be at the junction of the right atrium and IVC . The endotracheal tube and gastric tube are in unchanged position . The inspiration is slightly improved in comparison to the prior exam . There are persistent bilateral interstitial opacities , consistent with mild edema , which appear slightly improved . There may be a small effusion on the right . There is no pneumothorax . The cardiomediastinal silhouette is normal .
    OUTPUT:
    
1 . Right internal jugular approach transvenous pacemaker coiled in the right atrium but the tip likely at the junction of the right atrium and IVC . 2 . Satisfactory position of the endotracheal tube and nasogastric tube . 3 . Mild pulmonary edema , slightly improved . 4 . Possible small right pleural effusion . Results were discussed with Dr . ___ at 3 :30 p .m . on ___ via telephone by Dr . ___ at the time the findings were discussed .