| Patient number | Age* (years) | Sex | Location | Dilated branch duct | Diameter of MPD (mm) | Duration of follow-up (months) | Treatment | Histology | |
| Initial size (mm) | Latest size (mm) | ||||||||
| 1 | 67 | M | Head | 16 | 35 | 3 | 106 | Follow-up | – |
| 2 | 74 | M | Body | 15 | 30 | 3 | 59 | Follow-up | – |
| 3 | 74 | M | Head | 30 | 40 | 10 | 113 | Follow-up | – |
| 4 | 76 | M | Body–tail | 16 | 26 | 3 | 19 | Follow-up | – |
| 5 | 76 | M | Head | 20 | 35 | 3 | 92 | Follow-up | – |
| 6 | 81 | F | Head | 21 | 37 | 3 | 48 | Follow-up | – |
| 7 | 55 | M | Body | 15 | 25 | 8 | 79 | DP | Adenoma |
| 8 | 72 | M | Body | 18 | 28 | 10 | 54 | DP | Adenoma |
| 9 | 52 | M | Head | 32 | 45 | 8 | 14 | PpPD | Borderline |
*Age at initial diagnosis of branch duct IPMN
DP, distal pancreatectomy; F, female; IPMN, intraductal papillary-mucinous neoplasm; M, male; PpPD, pylorus-preserving pancreaticoduodenectomy.