Screening
In high-incidence areas, such as Guangdong province in China, there is evidence that cytological or endoscopic screening is appropriate and helpful. Research is ongoing.[125]
In patients with Barrett's oesophagus, continued surveillance is indicated to identify pre-malignant lesions (high-grade dysplasia) and early carcinoma in situ. Guidelines recommend screening and surveillance intervals for patients with Barrett's oesophagus.[126][127][128][129] Ablation of dysplastic Barrett's oesophagus has been demonstrated to reduce the progression to invasive malignancy.[130]
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