Comparison of postoperative three-dimensional conformal radiotherapy with conventional radiotherapy for non-small cell lung cancer
- Author:
- No author available
- Journal Title:
- CHINESE JOURNAL OF RADIATION ONCOLOGY
- Issue:
- 2
- DOI:
- 10.3760/cma.j.issn.1004-4221.2009.02.096
- Key Word:
- 肺肿瘤/放射疗法;三维适形;常规分割;预后;Lung neoplasms/radiotherapy;Three-dimensional conformal;Conventional frac-tionational;Prognosis
Abstract： Objective To compare postoperative three-dimensional conformal radiotherapy (3DCRT) and conventional radiotherapy (CR) in patients with non-small-cell lung cancer (NSCLC). Methods From Nov. 2002 to Mar. 2006,162 patients with stage ⅠB～ⅢB NSCLC receiving postoperative radiotherapy in our department were restrospetcively analyzed. Among them,86 received 3DCRT and 76 re-ceived CR. The survival outcome, pattern of failure and treatment-related side effects in both groups were an-alyzed. Results The median follow-up was 29.4 months in the 3DCRT group and 24 months in the CR group. The 1-,2- and 3-year local-regional free survival was 97.5% ,83.2% and 83.2% in 3DCRT group, and 84.3% ,76.0% and 65.6% in CR group(χ2= 5.46, P = 0.019), respectively. No statistically signifi-cant difference was found in the overall survival, disease-free survival or distant metastasis-free survival be-tween the two groups. The local-regional failure rate was statistically different between the two groups (14.5% vs 33.3% ,χ2 =7.70,P =0.006). The incidence of distant metastasis in the two groups was simi-lar. Radiation pneumonitis of NCI CTC grade 2-3 occurred in 10 patients(11.6%)in 3DCRT group and 18 (23.7%) in CR group,which was statistically different(χ2 =4.10,P=0.043). Conclusions Postopera-tive 3DCRT for NSCLC provides a better local-regional control and lower incidence of radiation pneumonitis compared with CR.
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