1. The status of cancer care for the population of Russia in 2018. A.D. Kaprin, V.V. Starinskiy, G.V. Petrova (eds.). M.: P.A. Hertzen Moscow Oncology Research Institute – branch of the National Medical Research Center of Radiology, Ministry of Health of Russia, 2019. 236 p. (In Russ.).
2. Ozawa M.G., Cooney T., Rangaswami A., Hazard F.K. Synchronous hepatoblastoma, neuroblastoma and cutaneous capillary hemangiomas. A case report. Pediatr Dev Pathol 2016;19(1):74–9. doi:10.2350/14-11-1573-cr.1.
3. Kazantsev A.P., Hizhnikov A.V., Kerimov P.A., Rubansky M.A., Rubanskaya M.V., Kapkova O.A., Rybakova D.V., Nechushkina I.V., Boychenko E.I., Romantsova O.M. Multiple synchronous primary tumors in child 3 years old. Bulletin of the Federal State Budgetary Institution “N.N. Blokhin Russian Cancer Scientific Center” = Journal of N.N. Blokhin Russian Cancer Research Center 2015;26(3):85–7. (In Russ.).
4. Ito F., Watanabe Y., Ito T. Synchronous occurrence of Wilms tumor and ganglioneuroblastoma in a child with neurofibromatosis. Eur J Pediatr Surg 1997;7(5):308–10. doi:10.1055/s-2008-1071180.
5. Compostella A., Toffolutti T., Soloni P., Dall’Igna P., Carli M., Bisogno G. Multiple synchronous tumors in a child with Fanconi anemia. J Pediatr Surg 2010;45(2):e5–e8. doi:10.1016/j.jpedsurg.2009.11.015.