Combined detection tumor markers for diagnosis and prognosis of gallbladder cancer

Table 1 Surgical modalities and their relationship with tumor stage in the gallbladder cancer group

Surgical modality	TNM stage
	II	IIIA	IIIB	IVA	IVB
C + N	6	8	2
C + WR + N	1		6		4
C + S4aS5 + N		1	7		3
C + ELH + N					1
C + ERH + N				1
C + BD + N
C + WR + BD + N		1	6		2
C + S4As5 + BD + N			4		2
C + CH + BD + N			3		1
C + S4aS5 + other + N				1	1
C + S4aS5 + other + N			5
C + ERH + BD + other + N				1	1
HPD + N				1
Palliative resection				1	2
Simple drainage				1	3
Pure exploration					2

BD: Bile duct resection; C: Cholecystectomy; CH: Central hepatectomy; ELH: Extended left hepatectomy; ERH: Extended right hepatectomy; HPD: Hepato-pancreaticoduodenectomy; N: Lymphadenectomy; Other: Other organ tissue resection; S4aS5: Liver resection of segments IVa and V; WR: Wedge resection of the gallbladder fossae.