Neoadjuvant chemoradiotherapy plus surgery in the treatment of potentially resectable thoracic esophageal squamous cell carcinoma

Table 1 General data of 30 patients

Patient characteristics	n (%)
Gender
Males	29 (96.7%)
Female	1 (3.3%)
Median age (range), yr	55 (48-70)
Clinical stage
I	0
II	3 (10%)
III	27 (90%)
IV	0
Tumor location
Upper chest	0
Middle chest	4 (21.0%)
Lower chest	26 (86.7%)

Table 2 Pathological grading before and after surgery

Stage	Preoperative grade, n (%)	Postoperative grade, n (%)
0	0	10 (52.6)
I	0	6 (36.8)
II	3 (10)	1 (53.3)
III	16 (90)	9 (30)
IV	0	0