P1384: EFFECT OF NUTRITIONAL SUPPORT ON THE INCIDENCE OF MUCOSITIS IN AUTOLOGOUS HEMATOPOIETIC STEM CELL TRANSPLANTATION (AUTOHSCT) IN PATIENTS WITH HODGKIN'S LYMPHOMA. (INTERIM RESULTS). (23rd June 2022) - Volchenkov, S.; Filatova, L.; Semiglazova, T.; Lyubimov, S.; Zyuzgin, I.; Ishmatova, I.; Zverkova, A.; Elkhova, S.; Motalkina, M.; Chudinovskikh, Y.; Shalaev, S.; Koviazin, A.