👉 Leukomas, also known as lymphoma, are a type of cancer that affects the white blood cells in the body. These cells can become abnormal and grow uncontrollably, which is why they're called leukomas. Leukomas can affect any part of the body, but they are most common in the neck, chest, and abdomen. Leukomas can develop from different types of white blood cells, such as T cells (the main type of immune cells) or B cells,