Final answer:
To screen for esophageal squamous cancer more regularly after esophageal stricture, individuals should undergo endoscopy every other year.
Step-by-step explanation:
After esophageal stricture, individuals are at higher risk for esophageal squamous cancer. To screen more regularly, individuals should undergo endoscopy every other year. Regular endoscopic examinations can help detect early signs of cancer and allow for timely intervention and treatment.