Editor’s quiz: GI snapshot Anorexia, vomiting and weight loss in a 22-year-old woman Vincent Ting Fung Cheung1, Eve Fryer2, Miranda J Payne3, Oliver Brain1 1 Translational Gastroenterology Unit, John Radcliffe Hospital, Oxford, UK 2 Department of Histopathology, John Radcliffe Hospital, Oxford, UK 3 Department of Oncology, Churchill Hospital, Oxford, UK Correspondence to Dr Vincent Ting Fung Cheung, Department of Gastroenterology, John Radcliffe Hospital, Headley Way, Oxford, OX3 9DU, UK;...