You don't give much by way of details. That having been said, if an unnessary medical procedure is performed but is not consented to a patient, that constitutes an actionable personal injury. Accordingly, a legal suit may be filed. At this point, you should consult directly with a personal injury attorney in your area; a consultation of this type should be free. After going over all of the facts of the case with you, they can best advise as to your situation.