Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Small bilateral pleural effusions are comparable in volume prior to placement of pacemaker . A left - sided transvenous pacemaker with lead terminating in the right ventricle is noted . No evidence of pneumothorax . Cardiomediastinal silhouette is unchanged . Median sternotomy wires and a prosthetic valve noted .
    OUTPUT:
    
Left pectoral transvenous pacemaker with lead terminating in the right ventricle . No pneumothorax . Small bilateral pleural effusions as seen on prior study from ___ .