Table 3.
CTC counts and tissue differentiations at different anatomical locations of colorectal polyps and carcinoma
| Variable | Anatomical locations of colorectal | ||||
|---|---|---|---|---|---|
| Rectum | Sigmoid | Descending | Transverse | Ascending | |
| Average CTC counts | |||||
| Carcinoma | 3.73 ± 0.54 | 4.87 ± 0.95 | 2.08 ± 0.46 | 2.4 ± 0.68 | 3.5 ± 0.63 |
| Polyps | 2.2 ± 0.77 | 1.38 ± 0.25 | 0.33 ± 0.21 | 0.75 ± 0.25 | 1.82 ± 0.38 |
| Tissue differentiation, n | |||||
| Carcinoma | 40 | 23 | 13 | 4 | 29 |
| Well | 5 | 2 | 3 | 0 | 3 |
| Moderately | 27 | 17 | 8 | 3 | 21 |
| Poorly | 8 | 4 | 2 | 1 | 5 |
| Polyps | 10 | 24 | 6 | 4 | 17 |
| HGIEN | 3 | 6 | 5 | 0 | 3 |
| LGIEN | 7 | 18 | 1 | 4 | 14 |
Sigmoid sigmoid colon, Descending descending colon, Transverse transverse colon, Ascending ascending colon, CTC circulating tumor cell, HGIEN high-grade intraepithelial neoplasia, LGIEN low-grade intraepithelial neoplasia