p53 immunoexpression: An aid to conventional methods in the screening of precursor lesions of squamous esophageal cancer in patients at high-risk?

Squamous cell carcinoma of the esophagus (SCCE) is diagnosed late and carries a poor prognosis. Lugol chromoendoscopy (LC) has being shown a useful tool in the management of patients at high risk for SCCE. Biomarkers such as p53 protein expression may be present in the esophageal mucosa long before...

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