Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A left PICC terminates at the lower SVC . Multiple internal intact sternal wires and mediastinal clips no prior CABG . A mitral valve replacement is unchanged in orientation and position . There is no pneumothorax . Small bilateral pleural effusions are minimally changed since the ___ examination . There has been interval removal of a right IJ sheath . Moderate cardiomegaly appears stable .
    OUTPUT:
    
1 . Unchanged small bilateral pleural effusions . No pneumothorax . 2 . Unchanged moderate cardiomegaly .