1. The use of 40-O- (2-hydroxyethyl) -rapamycin to obtain a pharmaceutical composition for the treatment of solid tumors of the excretory system. 2. The use of 40-O- (2-hydroxyethyl) -rapamycin according to claim 1, wherein the solid tumor of the excretory system is a carcinoma of the excretory system. The use of 40-O- (2-hydroxyethyl) -rapamycin according to any one of claims 1 or 2, wherein the unit dose of 40-O- (2-hydroxyethyl) -rapamycin administered is from 0.1 mg to 15 mg. The use of a pharmaceutical composition comprising 40-O- (2-hydroxyethyl) rapamycin and at least one pharmaceutically acceptable excipient or carrier for the treatment of solid tumors of the excretory system. 5. The use of the pharmaceutical composition according to claim 4, wherein the solid tumor of the excretory system is a carcinoma of the excretory system. The use of the pharmaceutical composition according to claim 4 or 5, wherein a unit dose of 40-O- (2-hydroxyethyl) rapamycin administered is from 0.1 mg to 15 mg. The use of 40-O- (2-hydroxyethyl) -rapamycin for the preparation of a pharmaceutical composition for the treatment of solid pancreatic tumors. 8. The use of 40-O- (2-hydroxyethyl) -rapamycin according to claim 7, wherein the unit dose of the administered 40-O- (2-hydroxyethyl) -rapamycin is from 0.1 mg to 15 mg. The use of a pharmaceutical composition comprising 40-O- (2-hydroxyethyl) rapamycin and at least one pharmaceutically acceptable excipient or carrier for the treatment of solid pancreatic tumors. 10. The use of the pharmaceutical composition according to claim 9, wherein the unit dose of 40-O- (2-hydroxyethyl) -rapamycin administered is from 0.1 mg to 15 mg. The use of 40-O- (2-hydroxyethyl) -rapamycin to obtain a pharmaceutical composition1. Применение 40-O-(2-гидроксиэтил)-рапамицина для получения фармацевтической композиции для лечения солидных опухолей экскреторной системы.2. Применение 40-O-(2-гидроксиэтил)-рапамицина по п.1, в котором солидной опухолью экскрет
