Mr. Quang, 75, experienced worsening swallowing difficulties and digestive disorders for 6 months, leading to an examination that revealed early-stage esophageal cancer.
A 69-year-old man in Bac Ninh was hospitalized for liver tumor removal, but a pre-operative screening process unexpectedly revealed another malignant tumor silently invading his esophagus, posing a serious threat to his life.
