Had 2 and 3rd booster, then found 3 cyst in pancreas after her 3rd booster, they removed those, everything was clear, this Dec they have MRI  following up the surgery; I did my 2 and 3rd booster and then found 3 cyst after my 3rd booster they found 3 cyst in my pancreas, they removed those, everything was clear no problem; This is a spontaneous report received from contactable reporter(s) (Consumer or other non HCP), Program ID. The reporter is the patient.  A 61-year-old female patient received BNT162b2, BNT162b2 omi ba.4-5 (BNT162B2, BNT162B2 OMI BA.4-5), as dose number unknown (booster), single (Batch/Lot number: unknown) intramuscular, in left arm for covid-19 immunisation. The patient's relevant medical history included: "partial Pancreatitis", start date: Jan2020 (unspecified if ongoing), notes: she got a partial Pancreatitis done on Jan2020. There were no concomitant medications. Vaccination history included: Bnt162b2 (Dose 1, she is being receiving Pfizer Covid-19 vaccine), for COVID-19 immunization; Bnt162b2 (Dose 2, she is being receiving Pfizer Covid-19 vaccine), for COVID-19 immunization; Bnt162b2 (Dose 3 (First Booster), she is being receiving Pfizer Covid-19 vaccine., My first Covid(Booster) was in 2020), administration date: 2020, for COVID-19 immunization; Covid-19 vaccine (Dose 4 (Second Booster), she is being receiving Pfizer Covid-19 vaccine), for Covid-19 Immunization. The following information was reported: PANCREATECTOMY (medically significant) with onset 10Jan2022, outcome "unknown", described as "I did my 2 and 3rd booster and then found 3 cyst after my 3rd booster they found 3 cyst in my pancreas, they removed those, everything was clear no problem"; PANCREATIC CYST (non-serious) with onset Dec2022, outcome "not recovered", described as "Had 2 and 3rd booster, then found 3 cyst in pancreas after her 3rd booster, they removed those, everything was clear, this Dec they have MRI  following up the surgery". The patient underwent the following laboratory tests and procedures: Magnetic resonance imaging: (Dec2022) 3 cyst, notes: I did my MRI they found another 3 cyst, 3mm, they are very small but I was 'starting the little concerned, what is the reason I got cyst.  Clinical course: It was reported that she received Pfizer Covid-19 vaccine and also the booster and she was a healthy person and she never had any health problem but after the year 2020, she start getting Pancreatitis where she got a partial Pancreatitis done on Jan2020, and in Nov last year she did a follow up with MRNI or MRI and she got another new set of Pancreatitis and she want to report it. Also stated never had any issue but unfortunately, they find out 3 cyst in her pancreas, the cyst was removed on 10Jan2022. They did a partial Pancreatectomy. They supposed to not to have any other cyst, she thinks it was the 4 booster of the Covid, last year and in Nov. Patient did her MRI they found another 3 cyst, 3mm, they are very small but she was starting the little concerned, questioned as what was the reason she got cyst. Patient got reoccurring cyst and her pancreas, after they removed her original one, and what she said, the original one, she never had any problem after the first booster. My first Covid(Booster) was in 2020, Okay, she did her second and her third booster and then they found 3 cyst after my 3rd booster they found 3 cyst in her pancreas, they removed those, everything was clear no problem, this Dec they have MRI  following up the surgery and they found another new cyst. she had to go to oncology to see it, to get a treatment for this.  The information on the batch/lot number for BNT162b2, BNT162b2 omi ba.4-5 has been requested and will be submitted if and when received.; Sender's Comments: Linked Report(s) : US-PFIZER INC-202300004592 same patient, different vaccine dose /event;