Copyright: ©Author(s) 2026.
World J Gastroenterol. Jul 28, 2026; 32(28): 121267
Published online Jul 28, 2026. doi: 10.3748/wjg.121267
Published online Jul 28, 2026. doi: 10.3748/wjg.121267
Table 5 Characteristics of 5 colorectal cancer cases with false-negative stool test results
| No. | Size (cm) | Stage | Location | Histology | Presenting symptoms | FC value | Hs-qFIT value | Fresh or frozen | Whether anemia |
| 1 | 1 × 0.4 × 0.2 | TisN0M0 | Sigmoid | Moderately to well-differentiated adenocarcinoma | No symptoms | < 30 | < 10 | Fresh | No |
| 2 | 1.5 × 1.0 | TisN0M0 | Ileocecum | Moderately to well-differentiated adenocarcinoma | Difficulty in defecation | < 30 | < 10 | Fresh | No |
| 3 | 2.3 × 1.8 × 1 | T2N1M0 | Sigmoid | Ulcerative moderately differentiated adenocarcinoma | No symptoms | < 30 | < 10 | Fresh | No |
| 4 | 2.2 × 2 × 1 | T4N2M1 | Rectum | Protruded moderately to poorly differentiated adenocarcinoma | No symptoms | < 30 | < 10 | Frozen | No |
| 5 | 1.5 | T1N0M0 | Rectosigmoid | Moderately to well-differentiated adenocarcinoma | Abdominal pain | < 30 | < 10 | Fresh | No |
- Citation: Jing W, Qin L, Zhang XH, Pan F, Ren RR, Li Y, Zhang Y, Peng LH, Wang ZK, Zhang XL. Diagnostic efficacy of fecal calprotectin combined with a high-sensitivity quantitative fecal immunochemical test for colorectal tumors. World J Gastroenterol 2026; 32(28): 121267
- URL: https://www.wjgnet.com/1007-9327/full/v32/i28/121267.htm
- DOI: https://dx.doi.org/10.3748/wjg.121267