Gallbladder sarcomatoid carcinoma: Seven case reports

Table 3 Tumor characteristics

Characteristic	No recurrence		Recurrence or metastasis
	Case 1	Case 2	Case 3	Case 4	Case 5	Case 6	Case 7
Position	Body and choledochus	Body	Body	Fundus and neck	Body	Body	Fundus
Diameter	3 cm	7.2 cm	7 cm	7 cm	9 cm	10 cm	7 cm
Operation	P	R	R	R	R	R (colon)	P
Depth	T1	T2	T2	T3	T3	T3	T3
Lymph node	N01	N0	N1	N2	Nx	N2	Nx
Metastasis	M0	M0	M0	M0	M0	M0	M1
Stage	I	II	IIIB	IVB	III/IV	IVB	IVB

¹Preoperative magnetic resonance imaging evaluation. R: Radical surgery; P: Palliative cholecystectomy.