Anjan Banerjee Cambridgeshire, United Kingdom   “Medicine is a science of uncertainty and an art of probability” (William Osler)   Monday 15:35 pm Franciso Goya. Self-Portrait with Dr. Arrieta, 1820. The ninety-eight year old patient with piercing blue eyes and a quizzical expression sat in her wheelchair in the colorectal clinic. We sat facing each…