Barrett's esophagus (BE) is a condition in which part of the normal esophageal squamous epithelium is replaced by a metaplastic columnar epithelium as a result of chronic gastroesophageal reflux.

The presence of metaplastic columnar epithelium with goblet cells on oesophageal biopsy is a marker of cancer progression risk, but it is unclear whether clonal expansion and progression in Barrett's ...

Such areas may resemble or be at higher risk for oral squamous cell carcinoma (SCC). Without routine biopsies, occult SCC may remain undiagnosed. Objectives: This study investigated the prevalence and ...

These tumours penetrate the basement membrane of the squamous epithelium and patients often initially present with locoregionally advanced disease. Nodal metastasis is often rapidly attained through ...