Orthopedic rehabilitation of elderly cancer patients as a technology of longevity Vera V. Karaseva, Tatyana M. Elovikova, Sergey E. Zholudev, Anatoly S. Koshcheev and Artem S. Prihodkin BIO Web Conf., 22 (2020) 01013 Published online: 06 July 2020 DOI: 10.1051/bioconf/20202201013