Table 2 Pathology on endoscopic biopsy, intraoperative frozen section, and final pathology
From: Transduodenal ampullectomy provides a less invasive technique to cure early ampullary cancer
Final pathology | Endoscopic biopsy | Intraoperative frozen resection | ||||
|---|---|---|---|---|---|---|
Inflammation | Adenoma | Carcinoma | Inflammation | Adenoma | Carcinoma | |
pTis (n = 4) | 1 | 1 | 2 | 0 | 0 | 4 |
pT1 (n = 39) | 2 | 7 | 30 | 0 | 2 | 37 |