Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Median sternotomy wires intact and aligned . Right PICC terminates in the upper SVC . Stable , mild cardiomegaly . Interval insertion of right pigtail catheter with resolution of the right pleural effusion . No pneumothorax . Exam is otherwise unchanged from earlier this morning .
    OUTPUT:
    
Interval insertion of right pigtail catheter with resolution of the right pleural effusion . No pneumothorax .