Stereotactic Body Radiotherapy for Metachronous Multisite Oligo-Recurrence: A Long-Surviving Case with Sequential Oligo-Recurrence in Four Different Organs Treated Using Locally Radical Radiotherapy and a Review of the Literature
(a) CT of left supraclavicular lymph node metastases (arrow) before SBRT. (b) Dose distribution made with 4 coplanar beams for conventional radiotherapy. Isodose lines shows total doses (in 29 fracions) of 50 Gy, 40 Gy, and 30 Gy, respectively, from innermost area. (c) CT at 1 months after the RT, showing complete response of the lesion (arrow).