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©The Author(s) 2025.
World J Gastrointest Surg. Mar 27, 2025; 17(3): 100820
Published online Mar 27, 2025. doi: 10.4240/wjgs.v17.i3.100820
Published online Mar 27, 2025. doi: 10.4240/wjgs.v17.i3.100820
Table 1 Demographic and clinicopathological characteristics of the study population characteristic
| Characteristic | n (%) |
| Age, years | |
| < 60 | 98 (39.2) |
| ≥ 60 | 152 (60.8) |
| Sex | |
| Male | 146 (58.4) |
| Female | 104 (41.6) |
| Tumor location | |
| Upper rectum | 62 (24.8) |
| Middle rectum | 103 (41.2) |
| Lower rectum | 85 (34.0) |
| Clinical stage | |
| I | 45 (18.0) |
| II | 78 (31.2) |
| III | 92 (36.8) |
| IV | 35 (14.0) |
| Histological type | |
| Adenocarcinoma | 228 (91.2) |
| Mucinous | 18 (7.2) |
| Signet ring cell | 4 (1.6) |
| Differentiation | |
| Well | 32 (12.8) |
| Moderate | 165 (66.0) |
| Poor | 53 (21.2) |
- Citation: Li M, Yuan DH, Yang Z, Lu TX, Zhang L. Retrospective analysis of preoperative tumor marker levels in rectal cancer patients: Implications for diagnosis. World J Gastrointest Surg 2025; 17(3): 100820
- URL: https://www.wjgnet.com/1948-9366/full/v17/i3/100820.htm
- DOI: https://dx.doi.org/10.4240/wjgs.v17.i3.100820