For citations:
Iurichev I.N., Vereshchak V.V. Endoscopic techniques used in obturation of the bronchus by metastasis of leiomyosarcoma of the retrocecal space. Clinical observation. MD-Onco. 2022;2(3):43-46. (In Russ.) https://doi.org/10.17650/2782-3202-2022-2-3-43-46