Inclusion Criteria:

- Adult patients, >/=18 years of age

- Patients receiving myelosuppressive chemotherapy for a solid tumor, a hematological
malignancy or an autograft for hematological malignancy

- Patients for whom treatment with epoetin beta is started at the inclusion visit

- Life expectancy >/=6 months according to the physician

- Patients accepting and able to complete a French written questionnaire about his/her
professional and social activities at each visit

Exclusion Criteria:

- Patients who received erythropoiesis-stimulating agents treatment, or red blood cell
transfusion within 4 weeks before enrollment

- Participation in a clinical trial in onco-hematology

- Patients with myelodysplasia

- Patients with more than one active malignancy at the time of enrollment