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The Percentage of Elevated Concentrations (Diagnostic Sensitivity) of C‐Reactive Protein (CRP) and Classic Tumor Markers (Carcinoembryonic Antigen—CEA and Squamous Cell Cancer Antigen—SCC‐Ag) in Patients with Esophageal Cancer (EC), Squamous Cell Carcinoma (ESCC), and Adenocarcinoma of Esophagus (AC)
| EC | ESCC | AC | |
|---|---|---|---|
| CRP | 64 | 73 | 52 |
| CEA | 30 | 23 | 39 |
| SCC‐Ag | 24 | 33 | 13 |
| CRP + CEA | 70 | 77 | 57 |
| CRP + SCC‐Ag | 73 | 77 | 65 |
| CEA + SCC‐Ag | 47 | 43 | 52 |
