1509815 PUS pulsed ultrasound 20 1509766 PUS pelvic ultrasound 6 1509881 pUS partial utility scores 2 1509877 pUS pocket-sized ultrasound 2 1509880 pUS pathologic upstaging 1 1509878 pUS pocket-size ultrasound device 1 1509879 pUS preoperative ultrasonography 1 1509882 pUS Pulsed-mode ultrasound 1