Due to a serious illness, my mother, patient B., is periodically treated in your hospital in the oncohematological department. I would like to express my deep gratitude to the head of the department. To Tumanova M. V., to the attending physician Mukhin O. V., to all medical and service personnel for creating comfortable conditions for staying in the department, for a kind and attentive attitude and for professional treatment, which gave positive results. Thank you very much!!!! Success, health, good luck!!!