Table 1. Patient characteristics.
| Variable | PA | Tissue Control | Plasma Control | |
|---|---|---|---|---|
| n = 18 | n = 7 | n = 6 | ||
| Gender | Male | 10 | 4 | 3 |
| Female | 8 | 3 | 3 | |
| Age | <60 | 3 | 5 | 4 |
| >60 | 15 | 2 | 2 | |
| Pathology | ||||
| Stage | <T3 | 9 | - | - |
| T3–T4 | 9 | - | - | |
| Regional Lymph node | 4 | - | - | |
| Metastasis | 11 | - | - | |
| TNM | I | 1 | - | - |
| IIa | 2 | - | - | |
| IIb | 2 | - | - | |
| III | 2 | - | - | |
| IV | 11 | -- | - | |
| Family history of cancer | Any relative | 7 | - | - |
| Weight loss | >5 kg | 12 | - | - |
| ≤5 kg | 6 | - | - | |
| Jaundice | Present | 12 | - | - |
| Surgery | Duodenopancreatectomy | 6 | - | - |
| Biliodigestive Anastomosis | 10 | - | - | |
| Exploratory Laparotomy | 2 | - | - | |
| Chemotherapy | Adjuvant | 2/6 | - | - |
| Palliative | 8/12 | - | - | |