Kumar, S Contact endoscopy for detection of residual or recurrent disease after radiotherapy for squamous cell carcinoma of the upper aerodigestive tract. [electronic resource] - The Journal of laryngology and otology Apr 2020 - 344-349 p. digital Publication Type: Comparative Study; Journal Article ISSN: 1748-5460 Standard No.: 10.1017/S0022215120000651 doi Subjects--Topical Terms: AdultAgedBiopsy--methodsCarcinoma, Squamous Cell--diagnostic imagingDisease ProgressionEndoscopy--methodsFemaleHead and Neck Neoplasms--epidemiologyHumansMaleMiddle AgedNeoplasm Recurrence, Local--pathologyObserver VariationPredictive Value of TestsSensitivity and SpecificityTreatment Failure