Zhang and colleagues ( 14 ) found an increasing trend of the expression of carcinoembryonic antigen (CEA) and cancer antigen 19-9 (CA19-9) proteins with the progression from basal cell hyperplasia and esophageal dysplasia to invasive ESCC.
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Zhang and colleagues ( 14 ) found an increasing trend of the expression of carcinoembryonic antigen (CEA) and cancer antigen 19-9 (CA19-9) proteins with the progression from basal cell hyperplasia and esophageal dysplasia to invasive ESCC.