Treatment Overview
Sarcoma treatment is planned individually. What is recommended for you depends on the subtype of sarcoma, where it is in the body, its size and grade, whether it has spread, and your own general health and wishes. Two people with the same subtype can be offered different plans for good reasons.
Your plan will be agreed by a multidisciplinary team (MDT) — surgeons, medical oncologists, radiation oncologists, radiologists, pathologists and clinical nurse specialists — and then discussed with you.
Surgery
Surgery is the main treatment for most sarcomas. The aim is to remove the whole tumour together with a margin of healthy tissue around it, to reduce the chance of it coming back.
For sarcomas in an arm or leg, the great majority of operations are limb-sparing: the tumour is removed and the limb reconstructed, sometimes with a bone graft or a metal prosthesis. Amputation is still necessary for a minority of patients, usually when the tumour involves major nerves or blood vessels. Where a large area of tissue is removed, reconstructive or plastic surgery may be used to restore appearance and function.
Sarcoma surgery should be carried out by surgeons who specialise in it. This is one of the clearest findings in sarcoma care internationally, and it is why referral to a specialist centre matters so much.
Radiotherapy
Radiotherapy uses high-energy rays to destroy cancer cells. It is an important part of treatment for many soft tissue sarcomas, particularly those in the arms and legs, and for Ewing sarcoma.
It may be given before surgery, to shrink the tumour and make it easier to remove completely, or after surgery, to reduce the risk of the sarcoma returning. It is usually delivered as a series of short daily sessions over several weeks. It can also be used to control symptoms such as pain where a cure is not possible.
Chemotherapy
Chemotherapy uses anti-cancer drugs — doxorubicin and ifosfamide are among the most commonly used in sarcoma — to destroy cancer cells throughout the body.
It plays a central role in the treatment of osteosarcoma, Ewing sarcoma and rhabdomyosarcoma, where it is usually given both before and after surgery. For many adult soft tissue sarcomas it is used mainly when the sarcoma has spread, or alongside radiotherapy to make the radiotherapy more effective.
Targeted Therapies and Immunotherapy
Some sarcomas are driven by specific genetic changes that can be targeted directly. Gastrointestinal stromal tumours (GISTs), for example, are usually treated with imatinib and related drugs that block the KIT or PDGFRA proteins. A growing number of targeted treatments are available for other subtypes, and immunotherapy is under active investigation. Because these treatments depend on the precise molecular profile of your tumour, detailed pathology matters.
Clinical Trials
Because sarcoma is rare, clinical trials are how progress is made, and taking part can give access to treatments not otherwise available. Ask your consultant whether there is a trial suitable for your subtype, in Ireland or abroad. Cancer Trials Ireland maintains a list of trials open in Irish hospitals. Deciding to take part — or not to — is entirely your choice, and it will not affect the standard of care you receive.
Watch and Wait
For some tumours, including many desmoid fibromatosis cases and some slow-growing sarcomas, the recommended approach is active monitoring with regular scans rather than immediate treatment. Being told that no treatment is planned can feel unsettling, but for these tumours it is an evidence-based decision, not a lack of one.
Side Effects
Side effects depend on the treatment, the dose and your general health. Fatigue is almost universal and often lasts well beyond the end of treatment. Your team should talk you through what to expect before you start, and there is a great deal that can be done to manage side effects — always tell them what you are experiencing rather than waiting to be asked.
After Treatment
Follow-up usually involves regular clinic appointments and scans for several years. If a sarcoma is going to come back, it most often does so within the first two to five years, and the risk reduces considerably after five years.
Many people find the period after treatment ends harder than they expected. The structure of hospital appointments falls away, everyone else assumes it is over, and the fear of recurrence can be at its loudest. That is an extremely common experience, and it is one of the most frequent reasons people contact our counselling service.
Will Treatment Cure My Sarcoma?
Many sarcomas are treated successfully, particularly low-grade tumours, sarcomas found early and sarcomas in children. Doctors tend to avoid the word “cure” with sarcoma because it can return, and prefer to talk about remission and follow-up. If you want to discuss your prognosis, ask directly — and equally, if you would rather not know, say so. It is your information, and you decide how much of it you want.
Statistics you find online describe large groups of people over past decades. They cannot tell you what will happen to you, and they rarely reflect current treatment.
Talk It Through
If you are weighing up a treatment decision, or you have come out of an appointment with more questions than answers, contact us at support@sarcoma.ie or on 085 769 4115.