Endoscopic Submucosal Dissection for Treatment of Patients Aged 75 Years and over with Esophageal Cancer

Table 2

Histological type and tumor location.

	≥75 years (𝑛=13)	<75 years (𝑛=49)	P value
Histological type			n.s.
Squamous cell carcinoma	13 (100%)	46 (94%)
Adenocarcinoma	0 (0%)	3 (6%)
Tumor location			n.s.
Cervical	0 (0%)	0 (0%)
Upper thoracic	3 (23%)	5 (10%)
Mid-thoracic	9 (69%)	33 (67%)
Lower thoracic	1 (8%)	8 (16%)
Esophagogastric junction	0 (0%)	3 (6%)

n.s.: not significant.