Analysis of 20 patients with laparoscopic extended right colectomy

Table 4 Characteristics of the patients with gastrocolic ligament lymph node metastasis

Patient	Patient 1	Patient 2
Age (yr)	69	61
Gender	Female	Female
BMI	30.04	20.96
Symptom	Abdominal pain	Abdominal pain
CEA (ng/mL)	33.28	25.39
ASA score	II	III
Location	R	H
Pathological type	Ulcerative	Ulcerative
Differentiation	M	m-p
T stage	T4a	T3
N stage	N2	N2
Tumor size (cm)	6.0 × 3.5	6.0 × 5.5
Mesocolic LN metastases/mesocolic LN yield (n)	5/34	28/58
Apical LN metastases/apical LN yield (n)	4/13	16/30
No. 204 LN metastases/GCLN yield (n)	1/2	0/2
No. 206 LN metastases/GCLN yield (n)	0/6	3/3
Venous invasion (n)	Yes	Yes
Perineural invasion (n)	No	Yes
Mismatch repair protein	Expression	Expression
Postoperative complications	No	No
Chemotherapy method	XELOX	XELOX
Relapse	No	Metastasis
Mortality	Alive	Death

CEA: Carcinoembryonic antigen; ASA: American Society of Anesthesiologists; CEA: Carcinoembryonic antigen; ASA: American Society of Anesthesiologists; GCLN: Gastrocolic ligament lymph node; R: Right transverse; T: Hepatic flexure; m-p: moderately differentiated-poorly differentiated; XELOX: Oxaliplatin combined with capecitabine.