Dr Zheng has a history of minor headaches, effectively treated with paracetamol and acupuncture. In China, he was hospitalised numerous times for gastroenteritis and also for kidney stones. He had an appendectomy at age 51 and an admission for a broken elbow at age 46. He recently had a benign mole removed from his back. This was performed as an outpatient procedure 20 months ago. His medical history is otherwise unremarkable.
