Table 5.
Patients with positive p53 immunocytology
| Sex | Age (yr) | Indication ERCP | Previous biliary operation | Stone extraction | Cytological evaluation | Time from ES (mo) | Negative1 follow-up | |
| Patient 1 | Female | 49 | Acute cholangitis | Yes (open cholecystectomy) | No | Atypia | 18 | 3 yr 5 mo |
| Patient 2 | Female | 54 | Stent removal | Yes (open cholecystectomy) | Yes | Atypia | 25 | 3 yr 6 mo |
1
No clinical or laboratory findings of bile duct malignancy. ES: Endoscopic sphincterotomy; ERCP: Endoscopic retrograde cholangiopancreatography.