Blood Cancer (Leukemia and Lymphoma)

Leukemia, lymphoma and myeloma — a room for people living with blood cancer

What blood cancer is

Blood cancer is the umbrella term for cancers that arise in the blood, the bone marrow and the lymphatic system; leukaemia, lymphoma and multiple myeloma are the main types. Unlike solid cancers, chemotherapy is the center of treatment, and depending on the type a cure is often the goal.

Source: National Cancer Information Center · as of 2026-08-05

See a doctor if you have these symptoms

  • Fever and cold sweats for no clear reason (especially at night), and weight loss
  • Bruising easily, frequent bleeding from the gums or nose, severe tiredness from anemia
  • A painless lump in the neck, armpit or groin that is getting bigger

If your blood test results are abnormal or the symptoms above continue, see the hematology and oncology department.

Source: National Cancer Information Center · as of 2026-08-05

How it is treated

Depending on the type and subtype, chemotherapy, targeted therapy, immunotherapy and hematopoietic stem cell (bone marrow) transplant are combined. Treatment can be long, so infection control (washing your hands, being careful in crowded places, asking about vaccinations) matters a great deal. Outcomes differ greatly by subtype, so knowing your exact diagnosis (the subtype) is where looking for information starts.

Source: National Cancer Information Center · as of 2026-08-05

Costs and support programs

Registering for the special cost-sharing program for serious illness (산정특례) (5% out-of-pocket cost) is the basic step, and hematopoietic stem cell transplant is covered by insurance after a separate review. Blood donation certificates (헌혈증) can be used towards part of the cost of a transfusion. Look into the support programs of patient groups such as the Korea Blood Cancer Association too.

Source: National Cancer Information Center · as of 2026-08-05

Frequently asked questions

If I can feel a lymph node, does that always mean lymphoma?

No. Most are reactive swelling caused by an infection, and they shrink once things like a cold get better. But if a lump of 1 cm or more keeps growing for 2 to 4 weeks or longer, or comes with fever or weight loss, see a doctor.

Sources for this page

· 국가암정보센터 (as of 2026-08-05)

Last checked: 2026년 8월 5일
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