Thoracoscopic resection of a large lower esophageal schwannoma: A case report and review of the literature

Table 1 Clinical characteristics of lower schwannoma and upper/middle schwannomas

Characteristics		Lower schwannoma, n (%)	Upper/middle schwannoma, n (%)
Total		13	57
Sex
	Male	9 (69.2%)	14 (24.6%)
	Female	4 (30.8%)	43 (75.4%)
Age
	20–29 yr	2 (15.4%)	2 (3.5%)
	30–39 yr	1 (7.7%)	7 (12.3%)
	40–49 yr	2 (15.4%)	12 (21.1%)
	50–59 yr	5 (38.5%)	13 (22.8%)
	60–69 yr	2 (15.4%)	17 (29.8%)
	70–79 yr	1 (7.7%)	6 (10.5%)