He gave a couple of examples. Another one is aggressively treating GERD so that it doesn't devolve into various conditions that lead to stomach or esophageal c

He gave a couple of examples. Another one is aggressively treating GERD so that it doesn't devolve into various conditions that lead to stomach or esophageal cancer. It's possible something like this could treat pre-cancerous things too, like Barrett’s esophagus.