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Background  The study was conducted to examine esophageal and gastric cardia precursor progression.    Methods  After population‐based baseline screening, 145 precursor and 335 chronic inflammation cases were endoscopically surveyed for six years.    Results  Surveillance of interval and baseline diagnoses for 18 severe dysplasia ( SD ) cases later detected were: 13, 23, 39, and 44 months since a diagnosis of chronic inflammation in four cases; 6, 6, 6, 11, 13, 16, 16, and 23 months since mild dysplasia (m D ) diagnoses in eight; and 6, 9, 10, 13, 18, and 48 months since moderate dysplasia ( MD ) diagnoses in six. Rates for 11 carcinoma in situ ( C is) cases later detected were: 7 and 18 months since basal cell hyperplasia ( B ch) diagnoses in two; and 6, 6, 9, 13, 13, 18, 35, 44, and 50 months since  MD  diagnoses in nine. In 10 cancer cases later detected, rates were: 6, 6, 7, 18, 19, 34, 36, and 48 months since  SD  diagnoses in eight cases with submucosal carcinoma; 46 months since  MD  diagnosis in a  T  2  N  0  M  0  carcinoma case; and 52 months since  B ch diagnosis in another  T  2  N  0  M  0  case.    Conclusion  Esophageal and gastric cardia precursors are heterogeneous. Male gender, advanced age, family history of upper gastrointestinal cancer, and multifocal dysplasia are significant independent predictors for progression, and  B ch/m D ,  MD , and  SD  constitute three distinctive entities regarding the risk of cancer.

thoracic cancer

Heterogeneity in esophageal and gastric cardia precursor progression during six‐year endoscopic surveillance after population‐based screening in a  C hinese high‐risk region