VI in relation to site of origin
| Study results | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Intramural VI | Extramural VI | Overall VI | Extramural VI in original report | ||||||
| *p<0.05; **p<0.01; ***p<0.001 by χ2 test. | |||||||||
| H&E, haematoxylin and eosin; VI, venous invasion. | |||||||||
| Site | N | H&E (%) | Elastica (%) | H&E (%) | Elastica (%) | H&E (%) | Elastica (%) | H&E (%) | |
| Colon | 39 | 3 (8) | 14 (36)*** | 6 (15) | 14 (36)** | 8 (21) | 21 (54)*** | 6 (15) | |
| Rectum | 36 | 5 (14) | 16 (44)*** | 12 (33) | 18 (50)* | 13 (36) | 22 (61)** | 8 (22) | |
| Total | 75 | 8 (11) | 30 (40)*** | 18 (24) | 32 (43)*** | 21 (27) | 43(57)*** | 14 (19) | |