TABLE 1.
Primary Pancreatic Cancer Subtypes and Their Copy Number Status.
| 19q13 FISH result | ||||||
|---|---|---|---|---|---|---|
| n | analyzable (n) | normal (%) | gain (%) | amp (%) | poly (%) | |
| All samples | 357 | 303 | 87.8 | 7.3 | 3.3 | 1.7 |
| Ductal adenocarcinomas | 213 | 197 | 86.3 | 8.1 | 3.6 | 2.0 |
| Intraductal papillary mucinous neoplasms | 33 | 15 | 93.3 | 0.0 | 6.7 | 0.0 |
| Endocrine tumors | 40 | 35 | 88.6 | 8.6 | 0.0 | 2.9 |
| Cystic/benign tumors | 15 | 6 | 100 | 0.0 | 0.0 | 0.0 |
| Cystic/malignant tumors | 1 | 1 | 100 | 0.0 | 0.0 | 0.0 |
| Acinar cell cancers | 1 | 0 | - | - | - | - |
| Adenocarcinomas of the ampulla of Vater | 54 | 49 | 89.8 | 6.1 | 4.1 | 0.0 |
| Metastases | 151 | 121 | 94.2 | 3.3 | 2.5 | 0.0 |
| Lymph node metastases | 129 | 100 | 95.0 | 3.0 | 2.0 | 0.0 |
| Distant metastases | 22 | 21 | 90.4 | 4.8 | 4.8 | 0.0 |
| Local recurrences | 24 | 18 | 100 | 0.0 | 0.0 | 0.0 |