NCI CTCAE v5.0 esophageal stenosis

Adverse event	Grade 1	Grade 2	Grade 3	Grade 4	Grade 5
Esophageal stenosis	Asymptomatic; clinical or diagnostic observations only; intervention not indicated	Symptomatic; altered GI function	Severely altered GI function; tube feeding or hospitalization indicated; elective operative intervention indicated	Life-threatening consequences; urgent operative intervention indicated	Death

Esophageal stenosis is characterized by a narrowing of the lumen of the esophagus.

NCI CTCAE: National Cancer Institute Common Terminology Criteria for Adverse Events; GI: gastrointestinal.

Reproduced from: Common Terminology Criteria for Adverse Events (CTCAE), Version 5.0, November 2017, National Institutes of Health, National Cancer Institute. Available at: https://ctep.cancer.gov/protocoldevelopment/electronic_applications/docs/CTCAE_v5_Quick_Reference_8.5x11.pdf (Accessed March 27, 2018).

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