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- Title
Outcomes of carbon ion radiotherapy compared with segmentectomy for ground glass opacity-dominant early-stage lung cancer.
- Authors
Mizobuchi, Teruaki; Nomoto, Akihiro; Wada, Hironobu; Yamamoto, Naoyoshi; Nakajima, Mio; Fujisawa, Takehiko; Suzuki, Hidemi; Yoshino, Ichiro
- Abstract
Purpose: This study aimed to compare the outcomes of patients with ground-grass opacity (GGO)-dominant non-small cell lung cancer (NSCLC) who were treated with carbon ion radiotherapy (CIRT) versus segmentectomy. Methods: A retrospective review of medical records was conducted. The study included 123 cases of clinical stage 0/IA peripheral NSCLC treated with single-fraction CIRT from 2003 to 2012, 14 of which were determined to be GGO-dominant and were assigned to CIRT group. As a control, 48 consecutive patients who underwent segmentectomy for peripheral GGO-dominant clinical stage IA NSCLC were assigned to segmentectomy group. Results: The patients in CIRT group, compared with segmentectomy group, were significantly older (75 ± 7.2 vs. 65 ± 8.2 years, P = 0.000660), more likely to be male (13/14 vs. 22/48, P = 0.00179), and had a lower forced vital capacity (91 ± 19% vs. 110 ± 13%, P = 0.0173). There was a significant difference in the 5-years overall survival rate (86% vs. 96%, P = 0.000860), but not in the 5-years disease-specific survival rate (93% vs. 98%, P = 0.368). Discussion: Compared with segmentectomy, CIRT may be an alternative option for patients with early GGO-dominant NSCLC who are poor candidates for, or who refuse, surgery.
- Subjects
LUNG cancer; NON-small-cell lung carcinoma; VITAL capacity (Respiration); RADIOTHERAPY; CORNEAL opacity; SURVIVAL rate; IMMUNOADSORPTION
- Publication
Radiation Oncology, 2023, Vol 18, Issue 1, p1
- ISSN
1748-717X
- Publication type
Article
- DOI
10.1186/s13014-023-02387-1