Dear Doctor: I have a Zenker’s diverticulum that, after 10 years, seems to be very large, judging by the volume it holds. At virtually every meal, I choke on food clogged in my esophagus, then I ...

Dear Doctor: I have a Zenker's diverticulum that, after 10 years, seems to be very large, judging by the volume it holds. At virtually every meal, I choke on food clogged in my esophagus, then I ...