Table 1.
Patient and tumor characteristics (n=86)
| Characteristic | # patients (%) | |
|---|---|---|
| Age (years) | Median: | 62.5 |
| Range: | 34–80 | |
| Gender | M | 40 (53%) |
| F | 46 (47%) | |
| Race | Caucasian | 70 (81%) |
| African-American | 3 (3%) | |
| Hispanic | 3 (3%) | |
| Other/ Unknown | 10 (12%) | |
| Surgery | Pancreaticoduodenectomy (Whipple) | 60 (70%) |
| Pylorus-preserving | 7 (8%) | |
| Distal pancreatectomy | 16 (19%) | |
| Total pancreatectomy | 3 (3%) | |
| Histology | Ductal Adenocarcinoma | 85 (99%) |
| Mucinous adenocarcinoma | 1 (1%) | |
| Tumor size (longest diameter, cm) |
Median: | 3.0 |
| Range: | 1.2–7.0 | |
| Site of tumor | Head | 65 (76%) |
| Head & Body | 1 (1%) | |
| Body | 6 (7%) | |
| Tail | 14 (16%) | |
| Resection Margins | Positive | 28 (33%) |
| <1 mm | 13 (15%) | |
| Negative | 45 (52%) | |
| Postoperative tumor classification |
T2 | 13 (15%) |
| T3 | 70 (81%) | |
| T4 | 3 (3%) | |
| Postoperative nodal classification |
N0 | 29 (34%) |
| N1 | 57 (66%) | |
| Grade/degree of Differentiation |
Poor | 23 (27%) |
| Moderate to Poor | 7 (8%) | |
| Moderate | 48 (56%) | |
| Well | 5 (6%) | |
| Unknown | 3 (3%) | |
| Lymphovascular Invasion |
Yes | 48 (56%) |
| No | 21 (24%) | |
| Unknown | 17 (20%) | |
| Perineural Involvement |
Yes | 68 (79%) |
| No | 4 (5%) | |
| Unknown | 14 (16%) | |