Table 2.

Surgical and pathologic characteristics

	Entire sample (n = 42)	meso+, lat+ (n = 26)	meso+, lat− (n = 4)	meso−, lat+ (n = 5)	meso−, lat− (n = 7)
Surgical approach, n (%)
Abdominoperineal resection	18	10 (38.5)	2 (50.0)	2 (40)	4 (57.1)
Anterior resection	19	12 (46.2)	1 (25.0)	3 (60)	3 (42.9)
Hartmann’s procedure	5	4 (15.4)	1 (25.0)
LLND dissection, n (%)
Unilateral	28	13 (50.0)	3 (75.0)	5 (100)	7 (100)
Bilateral	14	13 (50.0)	1 (25.0)
TNM stage, n (%)
0	1 (2.4)				1 (14.3)
I	1 (2.4)				1 (14.3)
II	4 (9.5)				4 (57.1)
III	35 (83.3)	25 (96.2)	4 (100)	5 (100)	1 (14.3)
IV	1 (2.4)	1 (3.8)
Mesenteric lymph nodes, M (range)
No. of dissection per patient	3 (0–23)	17 (10–29)	17.5 (12–20)	16 (12–21)	15 (11–25)
No. of metastasis per patient	16.5 (10–29)	4.5 (1–23)	5 (2–10)	0	0
Lateral lymph nodes, M (range)
No. of dissection per each side	7.5 (1–41)	6 (1–41)	15 (7–24)	8 (3–13)	8 (4–19)
No. of metastasis per each side	1 (0–10)	1 (0–10)	0	1 (1–2)	0
Metastatic lymph node location, n (%)
Iliac artery region				3 (60)
Obturator region				2 (40)

lat lateral lymph nodes, meso mesenteric lymph nodes, (−) negative, (+) positive