Masons operation to remove the bulk of his tumour went well. In a perfect world the surgeons said they would always like to achieve a negative margin, where no cancer cells are seen at the outer edge of the tissue being removed. In our case this could not be achieved, and was the understanding from his latest scans. Mainly, due to his size - being a small person, coupled with the shape and location of the tumour. Ten days post Masons operation we found ourself back on Rainbow