👉 Lymphomas are a group of cancerous cells that occur in the immune system and lymph nodes. They can be either benign or malignant, depending on whether they grow in the body's tissues or spread to other parts of the body. In general, lymphomas affect the lining of blood vessels (lymph vessels), which is why they are also known as "lymphatic" tumors. These cells can form anywhere in the body but are most common in the lymph nodes, a collection of small
