This is a transient effect and the firmness will go away. Here is a description of the side effects reported during the device trials submitted to the FDA.AbdomenAdverse EventsAll events were transient and were mild in nature. Instances of erythema were reported and all resolved within a day on average. Instances of pain and edema were reported and all resolved within 4 to 7 days on average. Instances of bruising were reported and all resolved within 12 days. Instances of nodules and hardness were reported and all but one resolved within 55 to 69 days on average. Nodules and hardness that were reported did not interfere with daily activities and did not require surgical intervention. One (nodule) outstanding adverse event remained at Dr. B's Study center at the 12 week follow up. The patient still had a trace indurated mass present. This is non-tender, not visible from the outside and has no clinical significance. The patient is satisfied with the result of the treatment and is not disturbed by the presence of the mass which she has trouble finding on her own. The nodule was 5 mm and required no treatment. The patient returned 6 months post treatment for an examination, at which point the nodule was considered resolved. The only interventions used were massage. There were no reports of blistering, pinpoint bleeding, crusting, scabbing, itching, pustules, skin burns, scarring, infection, allergic reaction, hypopigmentation, and hyperpigmentation.Nodule 8 patients 23% of patients Mild 5 Moderate 3 Duration Average 70 days Minimum 35 days Maximum 139 days.Some discomfort occurred in 74% of patients, Mild in 70%, Moderate in 30 %, 0 Severe; Duration Average 7.4 days, Minimum 0 days, Maximum 28 days.