Risk factors of lymphatic metastasis complement poor radiological detection in gallbladder cancer

Table 1 Patient demographics (n = 63)

Characteristic	Value
Median age (range)	62 (39-81)
Gender
Male/female	23/40
Types of radical resection1
Normal radical resection
C alone	61
C + WR + N	38
C + WR + N + BD	7
Extensive resection
C + WR + N + resection of the transverse colon	3
C + right hemihepatectomy + N	3
HPD	6

¹6 patients staged as T1aN0M0 only received cholecystectomy. C: Cholecystectomy; WR: Hepatic wedge resection (thickness as 2-3 cm); BD: Resection of the common bile duct; N: Radical lymphadenectomy; HPD: Hepatopancreaticoduodenectomy.