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Application of Robotic Stereotactic Radiotherapy to Peripheral Stage I Non-small Cell Lung Cancer with Curative Intent by W.T. Brown; X. Wu; F. Fayad; J.F. Fowler; S. García; M.I. Monterroso; A. de la Zerda; J.G. Schwade is a Medicine article available to read on EtoBox.

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## Aims: To determine the effectiveness of robotic stereotactic radiotherapy with image guidance and real-time respiratory tracking against early stage peripheral lung cancer. ## Materials and methods: We treated patients with stage i non-small cell lung cancer (nsclc) with cyberknife and analysed their clinical characteristics and outcomes. all patients had co-morbid conditions that precluded lobectomy. the clinical target volume (ctv) included the gross tumour volume (gtv) and a 6mm margin in all directions to account for microscopic extension. the planning target volume (ptv) equalled ctv+2mm in all directions for uncertainty. tumour motion was tracked using a combination of synchrony and xsight spine tracking methods with the aid of a single gold marker implanted in the centre of the tumour, or using the newer xsight lung method without markers for selected tumours. a 60-67.5 gy dose was prescribed to the 60-80% isodose line (median 65%) and given in three to five fractions. patients were followed every 3 months for a median of 27.5 months (range 24-53 months). ## Results: Of the 67 patients with nsclc stage ia or ib treated between january 2004 and december 2008, we report the

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Author

W.T. Brown; X. Wu; F. Fayad; J.F. Fowler; S. García; M.I. Monterroso; A. de la Zerda; J.G. Schwade

Publisher

Elsevier Science; Springer; Elsevier ; Springer-Verlag; W. B. Saunders Co., Ltd.; Springer Verlag; Elsevier BV; Springer Science and Business Media LLC (ISSN 1433-2981)

Published

2009

Language

EN

Field

Medicine (Health Sciences)