Table 1.
Patient characteristics
| Characteristics | |
|---|---|
| Total no. patients | 70 |
| Age (years) | |
| Mean | 59.0 |
| Range | 37–82 |
| Gender | |
| No. men | 45 (64.3) |
| No. women | 25 (35.7) |
| Tumor size | |
| Diameter ≥4.0 cm | 40 (57.1) |
| Diameter <4.0 cm | 30 (42.9) |
| Tumor location | |
| Head of pancreas/lesser pancreas | 50 (71.4) |
| Body and tail of pancreas | 20 (28.6) |
| Tumor differentiation | |
| High | 48 (68.6) |
| Low | 22 (31.4) |
| Large vascular invasion | |
| Positive | 19 (27.1) |
| Negative | 51 (72.9) |
| Lymph node metastasis | |
| Positive | 37 (52.9) |
| Negative | 33 (47.1) |
| Peripancreatic nerve invasion | |
| Positive | 47 (67.1) |
| Negative | 23 (32.9) |
| Peritumoral LVI | |
| Positive | 41 (58.6) |
| Negative | 29 (41.4) |
| VEGF‐C expression | |
| Positive | 43 (61.4) |
| Negative | 27 (38.6) |
Unless indicated otherwise, data show the number of patients in each group, with percentages given in parentheses. LVI, lymphatic vessel invasion; VEGF‐C, vascular endothelial growth factor C.