Radiotherapy and theranostics: a Lancet Oncology Commission by Abdel-Wahab, M, Giammarile, F, Carrara, M, Paez, D, Hricak, H, Ayati, N, Li, JJ, Mueller, M, Aggarwal, A, Al-Ibraheem, A, Alkhatib, S, Atun, R, Bello, A, Berger, D, Delgado Bolton, RC, Buatti, JM, Burt, G, Bjelac, OC, Cordero-Mendez, L, Dosanjh, M, Eichler, T, Fidarova, E, Gondhowiardjo, S, Gospodarowicz, M, Grover, S, Hande, V, Harsdorf-Enderndorf, E, Herrmann, K, Hofman, MS, Holmberg, O, Jaffray, D, Knoll, P, Kunikowska, J, Lewis, JS, Lievens, Y, Mikhail-Lette, M, Ostwald, D, Palta, JR, Peristeris, P, Rosa, AA, Salem, SA, Dos Santos, MA, Sathekge, MM, Shrivastava, SK, Titovich, E, Urbain, J-L, Vanderpuye, V, Wahl, RL, Yu, JS, Zaghloul, MS, Zhu, H, Scott, AM