In the not so distant past, I saw a patient who suffered from a bi-lobed Zenker's Diverticulum. Zenker's diverticulum for those who don't know is the abnormal development of a pouch in the throat causing symptoms of phlegm in the throat , food regurgitation, swallowing difficulties , and aspiration. Most Zenker's Diverticulum is composed of a single central pouch. However, there are more rare varieties such as this bi-lobed pouch seen on barium swallow. However, at tim…