Endoscopic stenting and concurrent chemoradiotherapy for advanced esophageal cancer: A case-control study

Table 3 Radiological and clinical evaluation after 3-dimensional conformal chemoradiotherapy

	Before 3D-CRT	After 3D-CRT	P value
Tumor staging
T2 and T3	0	40 (78.4%)	< 0.05
T4	34 (66.7%)	11 (21.6%)
Tumor volume (mean ± SD, cm3)	43.7 ± 10.2	28.8 ± 8.5	< 0.05
Assessment of tumor response
Complete and partial response		57 (85.1%)
No response		10 (14.9%)
Dysphagia grade
≤ 3	6 (9.0%)	55 (82.1%)	< 0.05
≥ 4	61 (91.0%)	12 (17.9%)
Karnofsky performance status
50-70	37	49	0.031
10-49	30	18

3D-CRT: 3-dimensional conformal chemoradiotherapy.