Figure 1From: Dose to level I and II axillary lymph nodes and lung by tangential field radiation in patients undergoing postmastectomy radiation with tissue expander reconstructionMeasurement of expander angle. Lateral location of the expander defined by the expander angle (black arrow) measured on the axial slice with the most lateral expander location from midline to the lateral expander border in patient with a small (30° - top) and large (48° - bottom) angle.Back to article page