PATIENT CHARACTERISTICS: Age: 18 and over Performance status: ECOG 0-1 Life expectancy: At least 4 months Hematopoietic: See Disease Characteristics Hepatic: Not specified Renal: Not specified Cardiovascular: No uncontrolled hypertension (systolic at least 180, diastolic at least 100) Other: Normal or elevated ferritin No known hypersensitivity to epoetin alfa Must be able to reliably take oral medication Must be alert and mentally competent Not pregnant or nursing