Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Comparison is made to the previous study from ___ . There is again seen a rounded 4 .5 cm mass in the right middle lobe . This is stable . There are no signs for overt pulmonary edema . No other area suspicious for consolidation is seen . There is a left - sided pacemaker . There are no pneumothoraces .
    OUTPUT:
    
Prominent rounded mass in the right middle lobe , stable since the previous study .