Non-exposed endoscopic wall-inversion surgery with one-step nucleic acid amplification for early gastrointestinal tumors: Personal experience and literature review

Table 2 Tumor size, number of retrieved lymph nodes, and clinical and anatomical parameters of the gastric lesions

Variables	Results
Number	5
Tumor size in mm	23.5 ± 12.1 (10-36)
Primary site
Body	3 (60)
Antrum	2 (40)
Operation time in min	110.5 ± 10.9 (80-145)
Complete resection	5/5
Complications	1/5
Number of lymph nodes	2.6 ± 2.2 (1-4)
Length of hospitalization in d	3.6 ± 4.2 (1-8)
Recurrence	0

Data are presented as n, n/total, n (%), or mean ± SD (range). All patients were included in the evaluations.