Acute lymphoblastic leukemia (ALL) is a type of blood cancer that affects the bone marrow and blood cells. It is characterized by the overproduction of immature white blood cells, which can crowd out healthy blood cells and lead to serious health problems. Symptoms may include fatigue, weakness, easy bruising or bleeding, and frequent infections. ALL is typically diagnosed through blood tests and bone marrow biopsy.

Treatment options may include chemotherapy, radiation therapy, and stem cell transplant. The choice of treatment depends on the type and stage of the disease, as well as the overall health of the patient. It is important to seek medical attention if you experience symptoms that may be related to ALL. Effective treatment and early diagnosis can improve the chances of a positive outcome.

Note: This is a general description. Please take professional health advice.