Leukemia accounts for about 3.3% of all new cancer diagnoses, with about 66,890 new cases in 2025. The good news is that the five-year relative survival rate is 67.8%, with the death rate for this cancer steadily decreasing since 1992.
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Leukemia is a type of cancer that originates in the blood cells, typically the white blood cells. There are many types of leukemia. Some are characterized by whether they grow quickly (acute) or slowly (chronic), and others are classified by the specific type of cell in which they begin. Common types of leukemia include:
Leukemia is usually diagnosed through blood tests, such as a complete blood count (CBC), which shows whether you have abnormally high levels of white blood cells or abnormal levels of red blood cells and platelets. A peripheral blood smear, flow cytometry, and other blood tests can detect specific leukemia cells.
Your doctor can diagnose leukemia by taking a bone marrow biopsy to collect fluid from your bone marrow. A lab then tests the fluid to confirm leukemia and to analyze the percentage of abnormal blood cells present, which can help determine how advanced the cancer is. Your doctor may also request a spinal tap to determine whether cancer has spread to the spinal cord and brain.
While leukemia doesn’t usually show up on imaging tests, your doctor may order X-rays, CT scans, and other tests to see whether leukemia has impacted your organs, bones, or tissue.
Leukemia signs and symptoms can vary from person to person, and also depend on the type of leukemia. In general, people report:

Getting Started
Treatment for leukemia will depend on many factors, including your history, the type of leukemia you have, how advanced the cancer is, your preferences, and more. In general, treatments will involve some combination of the following:
At The Oncology Institute, our oncologists offer world-class cancer treatment, including access to clinical trials. Our patient-centric care model means we develop personalized care plans for you, complete with the supportive services you need. Request an appointment today to get started.