["hodgkin's lymphoma"]
['nivolumab', 'bendamustine hydrochloride']

        Inclusion Criteria:

          -  Diagnosis: Histologically confirmed Hodgkin's lymphoma

          -  Relapsed or refractory to at least two prior treatment lines

          -  Relapsed after nivolumab treatment or refractory to nivolumab treatment

          -  Age 18-70 years old

          -  Signed informed consent

          -  No severe concurrent illness

        Exclusion Criteria:

          -  Uncontrolled bacterial or fungal infection at the time of enrollment

          -  Requirement for vasopressor support at the time of enrollment

          -  Karnofsky index <30%

          -  Pregnancy

          -  Somatic or psychiatric disorder making the patient unable to sign informed consent

          -  Active or prior documented autoimmune disease requiring systemic treatment.
      