Clinical outcome of intersphincteric resection for ultra-low rectal cancer

Table 1 Characteristics of cases

	Period I	Period II
	1995-01/1998-12	1999-01/2003-12
Number of patients	8	10
Male	2	5
Female	6	5
Age range (yr)	44-79 (median 61)	42-72 (median 62)
Follow-up (mo)	60	18-47 (median 30)
Tumor
Non-fixed (T2)	8	4
Fixed (T3-4)	0	6 (pre-operative CCRT)

Table 2 Pathologic results

Clinical stage	Period I(n = 8)	Period II(n = 10)
	T2Nx (n = 8)	T2Nx (n = 4)	T3-4Nx (n = 6)
			CCRT
T0	0	0	2
T1N0	0	0	1
T2N0	7	3	2
T2N1	1	1	0
T3Nx	0	0	1 (T3N1)

Table 3 Recurrence, metastasis and survival

	Period I	Period II
	(n = 8)	(n = 10)
Follow-up (mo)	>60	18-47 (median 30)
Local recurrence	1/8 (12.5%),	-
	12 mo after operation	-
Distant metastasis	2/8 (25%)
Liver	1/8, 52 mo after operation
Lung	1/8, 25 mo after operation
Survival rate	7/8 (87.5%)	100%
Disease-free survival rate	6/8 (75.0%)	100%

Table 4 Functional outcome of patients in period II

	Period II
	(n = 10, %)
Stool frequency: ≤3	5/10 (50)
4–6	3/10 (30)
7–9	1/10 (10)
≥10	1/10 (10)
Urgency	5/10 (50)
Continence: Perfect	3/10 (30)
Incontinence of flatus	2/10 (20)
Minor soiling to liquids	3/10 (30)
Major soiling to liquids	2/10 (20)
Incontinence to solids	0/10 (0)