Sorry about the gap between posts. Where was I? Part-way through a course of chemotherapy for CUP (cancer of unknown primary) in chest and throat lymph nodes ... and I suddenly realised it's been four months of treatment, and a right drag at that. I think I've been fortunate. I've had a lot of tiredness and aches, but no nausea. And at the beginning of 2013, it feels good to be alive and otherwise well. (I was well aware…