D2I2.
cancer

Chronic lymphocytic leukaemia

lymphocytic (CLL) is a type of cancer that affects the blood and bone . In CLL, the bone marrow produces too many lymphocytes, which are a type of white blood cell. B cell lymphocytes can begin to collect in the blood, , lymph nodes, and bone marrow; these cells malfunction and crowd out healthy blood cells. CLL is divided into slow-growing (indolent) and fast-growing .

Underlined words are explained — tap any of them.

Symptoms — what it feels like

  • ·Early: None
  • ·Later: Non-painful lymph nodes swelling, feeling tired, fever, weight loss, night sweats

How it's found

  • ·Blood tests

Treatment

  • ·Watchful waiting, , immunotherapy, targeted therapy, stem cell

Outlook

  • ·Five-year survival ~89% (US)
Plain-language summary adapted from Wikipedia. Not medical advice.