Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since prior exam , a new femoral pacing wire has been placed , and is in its expected location overlying the right ventricle . An opacity at the left base suggests atelectasis and a possible pleural effusion , similar to the prior exam . There is also likely a small right pleural effusion . Mild pulmonary edema is similar . There is no focal opacity . No pneumothorax is identified . The cardiomediastinal silhouette is unchanged with moderate cardiomegaly . A right PICC is unchanged with the tip in the low SVC .
    OUTPUT:
    
1 . New femoral pacing wire in satisfactory position . 2 . Unchanged mild pulmonary edema and probable small bilateral pleural effusions .