subcutaneous soft cystic nodules; attacked her immune system; hurt in her back and in her legs; hurt in her back and in her legs; states she just had one cyst to begin with and now has 4 on right leg and 3 on left leg, 4 on her back and some on each side of her chest; This is a spontaneous report received from contactable reporter(s) (Consumer or other non HCP) from medical information team. The reporter is the patient.  A 68-year-old female patient received BNT162b2 (BNT162B2), on 31Mar2021 as dose 2, single (Lot number: EW0150) at the age of 68 years, in left arm for covid-19 immunisation. The patient's relevant medical history was not reported. There were no concomitant medications. Vaccination history included: BNT162b2 (Dose 1, Lot Number: EN6208, Anatomical Location: Left arm), administration date: 10Mar2021, when the patient was 68-year-old, for COVID-19 immunization.  The following information was reported: IMMUNE SYSTEM DISORDER (non-serious) with onset 2021, outcome "unknown", described as "attacked her immune system"; BACK PAIN (non-serious), PAIN IN EXTREMITY (non-serious) all with onset 2021, outcome "unknown" and all described as "hurt in her back and in her legs"; CYST (non-serious) with onset 2021, outcome "not recovered", described as "states she just had one cyst to begin with and now has 4 on right leg and 3 on left leg, 4 on her back and some on each side of her chest"; SKIN MASS (non-serious) with onset 2021, outcome "not recovered", described as "subcutaneous soft cystic nodules". The events "subcutaneous soft cystic nodules", "attacked her immune system", "hurt in her back and in her legs" and "states she just had one cyst to begin with and now has 4 on right leg and 3 on left leg, 4 on her back and some on each side of her chest" required physician office visit.  Additional information: Caller was vaccinated on 10Mar2021 with her first dose and on 31Mar2021 with a second dose. Within 5 to 6 months she developed subcutaneous soft cystic nodules diagnosed starting with one, now she has 15. Caller mentioned that she reviewed in the web and that she found that in 2008 a girl got the same that she had, from that shot. Caller stated that this was an adverse reaction from the shot and that it also attacked her immune system. She said it's not in her family meaning it's not a genetic condition, and that she doesn't usually takes medication. Caller mentioned to have had Covid in January, that she had got seven of the nodes removed from one arm and 2 from other, but that in March the nodes came back again. Then she had got 3 nodes in one leg and one in the other leg. She mentioned she didn't had this "crap" before the shot. She mentioned hurt in her back and in her legs. Caller stated that she already have seen a doctor, she have seen a dermatologist and she have seen a surgeon, she also mentioned have visited a rheumatologist and that she will have a CT Scan next month. She mentioned her HCP is not going to call on behalf of her, that he has nothing to do with this. She stated that the vaccine messes with your body. She said that there must be more people talking to report this reaction and that we don't want to tell her. Caller asked if this is a reported side effect, she asked if there is a cure for her condition, and if there's nothing she could do other than surgery to get the nodules removed. Caller asked what we could do for her other than take the report of the reaction. States she went to her doctor in Sep2021, sent her to a dermatologist in Nov2021, that was when she was diagnosed, states she just had one cyst to begin with and now has 4 on right leg and 3 on left leg, 4 on her back and some on each side of her chest, started with one on her hip. States in Jan2022, she caught Covid and the cysts all went away, states now in Mar2022 they all came back. Caller states she figures it is from the Covid vaccines because she never had any of this before she got the shots. States they hurt like heck. Caller states she will be seeing a surgeon to get them removed, states they have to do an MRI first. Wants to know if this is a side effect of the vaccines? No other side effects right after the shot. No Other Conditions and Investigations. No Additional Vaccines administered on Same Date of the Pfizer Suspect. No Prior Vaccinations (within 4 weeks) received within four weeks prior to the first administration date of the suspect vaccine(s). No Patient's Medical History and Family Medical History Relevant to AE(s).