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Table 1 After choledochoduodenostomy, 17 patients were diagnosed with biliary tract cancer (Japan Medical Abstracts Society; 1983–2016)

From: A case of intraductal papillary neoplasm of the bile duct that developed 38 years after choledochoduodenostomy with invasive adenocarcinoma and lymph node metastasis

Variables n = 17
Gender (male/female) 7 (41%)/10 (59%)
Age (years) 62 (41–73)
Previous history (bile duct)
 Stone 8 (47%)
 Dilation 5 (29%)
 Injury 4 (24%)
Period (years) 32 (12–40)
Type
 Well 1 (6%)
 Moderately 3 (18%)
 Poorly 5 (29%)
 Papillary 3 (18%)
 Unknown 5 (29%)
Location
 Anastomotic 9 (54%)
 Portal 3 (18%)
 Left hepatic duct 2 (12%)
 Right hepatic duct 1 (6%)
 S6 1 (6%)
 S5 1 (6%)
Operative procedure
 PD 3 (18%)
 HPD 2 (12%)
 Left lobectomy 2 (12%)
 Partial 1 (6%)
 Choledochectomy 1 (6%)
 Stent 3 (18%)
 PTBD 2 (12%)
 Bypass 1 (6%)
 Microwave 1 (6%)
 Unresected 1 (6%)
Outcome
 Alive 8 (47%)
 Dead 9 (53%)
  1. PD pancreatoduodenectomy, HPD hepato-pancreaticoduodenectomy