So everyone walked out. Tao Zhijie didn't leave; he told the others to go eat first as he needed some quiet time.
If lung cancer first metastasizes to the duodenum, it will be a big trouble. It's definitely not just the duodenum that's afflicted, because duodenal tumors easily infiltrate the adjacent pancreas and biliary tract. Even if a temporary CT scan may not show invasion of nearby organs, for safety, all of these areas definitely need to be completely excised.
