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. Author manuscript; available in PMC: 2012 Sep 25.
Published in final edited form as: Head Neck. 2010 Mar;32(3):341–347. doi: 10.1002/hed.21188

Table 1.

Cohort exclusion criteria

Locoregional or distant failure <2 years after treatment
Less than 24 month follow-up
Pre-existing feeding tube dependence
History of esophageal cancer
History of dementia or other neurological disorders
Use of Intensity-Modulated Radiation Therapy (IMRT)