How long does radiotherapy take to work for non-Hodgkin lymphoma?

Non-Hodgkin lymphoma includes different diseases, and radiotherapy may be used to treat a defined area, relieve pressure or discomfort, or support a wider treatment plan. Lymphoma cells can be damaged during treatment and continue to break down afterwards. A lump or pressure symptom may change at a different pace from tiredness or skin irritation.

Your haematology team may assess the treated area by examination and may arrange blood tests or imaging according to the lymphoma type and treatment goal. A temporary increase in swelling or discomfort does not automatically mean treatment has failed, but it should be reported so the team can assess it.

Follow the appointment schedule, take medicines exactly as prescribed, and tell the team about new pain, fever, night sweats, breathlessness, or a rapidly changing lump. Protect treated skin from friction and use only recommended creams. Note when symptoms occur and whether they affect sleep, movement, eating, or breathing.

Ask how the radiotherapy course fits with chemotherapy, immunotherapy, or other planned treatment. The first review is designed to interpret your symptoms alongside examination and any tests, rather than relying on one sign.

Contact your treatment team promptly for fever, chills, rapidly increasing swelling, new or worsening breathlessness, severe pain, or difficulty swallowing. Seek urgent care for sudden breathing difficulty, fainting, confusion, or swelling of the face or neck that develops quickly.

Ask what role radiotherapy has in your lymphoma plan, when response will be reviewed, which test will be used, how other treatments affect timing, and which symptoms should prompt a same-day call.