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Clin Transl Oncol ; 22(1): 144-150, 2020 Jan.
Article in English | MEDLINE | ID: mdl-31049820

ABSTRACT

BACKGROUND: Evaluate the safety, toxicity and efficacy of an institutional-simplified SBRT protocol with two short SBRT regimens (three or five fractions) for the treatment of lung cancer and oligometastases, according to the volume and localization of tumours. METHODS: Patients with stage I (T1 or T2) non-small cell lung cancer or lung oligometastases were treated from August 2011 to October 2015. Patients were required to be considered medically inoperable and were discussed in a multidisciplinary team. RESULTS: 100 patients were analysed, 59 had a peripheral location (P), and 41 a central location (C).All patients finished their SBRT course without interruptions related to acute toxicity. The most frequent acute toxicity was grade 1 asthenia, only one patient developed grade 3 toxicity (pneumonitis) and there were no grade 4 or 5 acute toxicities. Three asymptomatic radiation-induced rib fractures were identified, the 1 and 2-year rib fracture-free survival were 97% and 94%, respectively. Two-year progression-free survival and 2-year overall survival of all patients were 52% and 70%, respectively, with a median PFS and OS of 26 and 43 months. Survival free of local progression (SFLP) at 2 years was 89%. A higher PFS in primary lung cancer compared with metastatic tumours was observed, with a median of 35 months with 19 months (p = 0.01). However, no statistical difference was observed in terms of OS between both diseases. CONCLUSIONS: SBRT in lung cancer with three sessions for peripheral tumours and five sessions for central tumours may be safely delivered, with low morbidity.


Subject(s)
Carcinoma, Non-Small-Cell Lung/surgery , Lung Neoplasms/classification , Lung Neoplasms/surgery , Radiosurgery/methods , Adult , Aged , Aged, 80 and over , Carcinoma, Non-Small-Cell Lung/secondary , Female , Follow-Up Studies , Humans , Lung Neoplasms/pathology , Male , Middle Aged , Radiotherapy Dosage , Retrospective Studies , Treatment Outcome
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