The side effects experienced can vary significantly depending on the type of treatment used. For instance, chemotherapy is known for causing systemic effects like nausea, fatigue, and hair loss, as it targets rapidly dividing cells throughout the body. On the other hand, radiation therapy's side effects are often localized to the area being treated and may include skin irritation and tissue damage. Targeted therapies, which aim at specific cancer cells, may result in fewer systemic side effects but can still cause issues like skin rashes and high blood pressure. Immunotherapy, which boosts the body's immune system to fight cancer, can lead to autoimmune reactions affecting various organs.