👉 Plasmacytoma is a type of cancer that occurs in the body's immune system. It is characterized by the presence of abnormal white blood cells called lymphocytes, which are part of the immune system. Plasmacytomas can grow and spread within the body, causing symptoms such as fever, fatigue, and swollen glands. They are most common in children and young adults, but they can also occur in older people who have weakened immune systems or other medical conditions. Treatment options for pl
