Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A small left pleural effusion and a moderate right pleural effusion are new from the prior study . An opacity at the right lung base more likely represents early consolidation and atelectasis . There is no pneumothorax , pulmonary vascular congestion , or pulmonary edema . A dual - chamber pacemaker and its leads project in expected location . Sternotomy ___ and mediastinal clips are noted . Moderate cardiomegaly is somewhat obscured by effusion but appears generally stable .
    OUTPUT:
    
1 . Probable consolidation in the right lower lobe . Subsegmental atelectasis is possible but less likely . 2 . Moderate right pleural effusion and small left pleural effusion are new . 3 . No pulmonary vascular congestion or pulmonary edema . 4 . Likely unchanged moderate cardiomegaly .