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. 2016 Jun 21;57(3):265–272. doi: 10.1093/jrr/rrw023

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© The Author 2016. Published by Oxford University Press on behalf of The Japan Radiation Research Society and Japanese Society for Radiation Oncology.

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0/), which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is properly cited. For commercial re-use, please contact journals.permissions@oup.com

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Fig. 2. — Computed tomographic (CT) appearance and dose distribution for a patient with NSCLC adhering to the aorta. (a) CT appearance before SBRT. (b) Dose distribution curves of SBRT. The isodose lines, from outer to inner, represent 10 Gy, 20 Gy, 25 Gy, 30 Gy, 40 Gy and 45 Gy, respectively. (c) (d) (e) CT appearances 4, 8 and 14 months after SBRT, respectively. (f) CT scan obtained 32 months after SBRT shows local recurrence. The patient was a 75-year-old man diagnosed with NSCLC during the follow-up period after aortic dissection. He was judged to have an inoperable tumor because there was widespread adherence to the dissected aorta and aortic invasion was suspected. The patient underwent SBRT (40 Gy in 5 fractions). The tumor was well controlled without toxicity, but at 32 months, local recurrence was observed and he died 39 months after the initial diagnosis.