SARON: stereotactic ablative radiotherapy for oligometastatic non-small cell lung cancer (NSCLC). (March 2022) - Mak, Ka-Man; McDonald, Fiona; Teague, Jonathan; Faivre-Finn, Corinne; Forster, Martin; Hanna, Gerard; Moinuddin, Syed; Conibear, John; Harden, Susan; Popat, Sanjay; Califano, Raffaele; Farrelly, Laura; et al.