Easter Peeps

Easter comes but once a year and Pippin uses this special day to indulge her principal food passion: marshmallow Easter Peeps dipped in chocolate. Unfortunately for Pippin, she suffers from gall stones and her gastroenterologist has warned her to go easy on the chocolate.  But who can control themselves after listening to “Amazing Grace” all morning and fasting since midnight? Indeed, her friends all encourage her “you go girl, indulge if you must”, until the inevitable pain of gall stones begins. This is a clear case where Chocolate Peeps did not let Pippin’s stones lie. She is rushed to ED where a cholecystectomy is deemed necessary

Question: Veins servicing the indicated (arrow) gland drain directly into which indicated vessel?