No abstract available
MeSH terms
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Aged
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Bezoars / diagnosis*
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Carcinoma, Squamous Cell / radiotherapy*
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Diagnosis, Differential
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Esophageal Stenosis / diagnosis
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Esophageal Stenosis / etiology*
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Esophagoscopy
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Esophagus* / pathology
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Esophagus* / radiation effects
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Follow-Up Studies
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Humans
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Lung Neoplasms / radiotherapy*
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Male
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Radiation Injuries / diagnosis*