For citations:
Novozhilova E.N., Popadyuk V.I., Kononets P.V., Kanner D.Yu., Chernolev A.I., Marksitser E.M., Olyshanskaya O.V. ESOPHAGEAL LEIOMYOSARCOMA. Siberian journal of oncology. 2020;19(1):126-133. (In Russ.) https://doi.org/10.21294/1814-4861-2020-19-1-126-133