5 to 6 cm cyst in half of pancreas; 3.5cm golf ball sized tumor fibroid in cervix; patient received dose 3 and 4 of Moderna and dose 5 of Pfizer; This is a spontaneous report received from contactable reporter(s) (Consumer or other non HCP). The reporter is the patient.  A 62-year-old female patient received BNT162b2, BNT162b2 omi ba.4-5 (BNT162B2, BNT162B2 OMI BA.4-5), on 20Sep2022 as dose 5 (booster), single (Lot number: GH9694) at the age of 62 years for covid-19 immunisation. The patient's relevant medical history included: "Hypertension" (unspecified if ongoing); "type 2 diabetes" (unspecified if ongoing); "Is a non-smoker" (unspecified if ongoing), notes: never smoked; "overweight/obese" (unspecified if ongoing), notes: gained 100 pounds when she was sick. Was overweight/obese, but never over 300 pounds, was 200 some pounds. Is down to 100's, trying to get to about 120.; "bronchitis" (unspecified if ongoing); "pneumonia" (unspecified if ongoing), notes: was sick for 3 weeks; "sick", start date: 1998 (unspecified if ongoing), notes: Has been sick since 1998. Was very sick and has had every health issue; "second tumor" (unspecified if ongoing), notes: developed second tumor, cervical fibroid, around 2000 or 2002. Overweight from second tumor.; "severe nausea" (unspecified if ongoing), notes: Gained 100 pounds because of severe nausea from tumor, from 130 to 230 something pounds.; "cervical fibroid" (unspecified if ongoing), notes: Tumor was found and treated for years.; "they took out second tumor", start date: Apr2003 (unspecified if ongoing), notes: Apr2003, they took out second tumor, which was benign.; "Blood count was only 7, was on blood transfusion", start date: Apr2003 (unspecified if ongoing); "cataracts on eyes" (unspecified if ongoing); "knees need to be replaced/swollen knee" (unspecified if ongoing), notes: PCP ordered X-rays of both knees, no topical med was ordered. 2 to 5 days later, they found every problem. The patient's concomitant medications were not reported. Vaccination history included: BNT162b2 (DOSE 1, SINGLE; Lot number: ER8736; in fatty part upper arm, left probably), administration date: 10May2021, when the patient was 61-year-old, for COVID-19 immunization; BNT162b2 (DOSE 2, SINGLE; Lot number: EW0173), administration date: 07Jun2021, when the patient was 61-year-old, for COVID-19 immunization, reaction(s): "don't feel well/felt sick", "feel dizzy", "She had a brain tumor", "Her voice was a little rasped which may have been allergies", "Her voice was a little rasped which may have been allergies", "felt bad", "Hives on her left wrist, which was the arm of the vaccine/ Break down hives on my left wrist", "have 'mucous' go through them on her wrist", "joint inflammation", "joint pains", "felt really tired", "Still has pain in muscles of both shoulders", "allergic reaction", "seasonal allergies", "fell 3 times"; moderna coviD-19 vaccine (DOSE 3 (BOOSTER), SINGLE), administration date: 09Dec2021, when the patient was 62-year-old, for COVID-19 immunization; moderna coviD-19 vaccine (DOSE 4 (BOOSTER), SINGLE), administration date: 10Apr2022, when the patient was 62-year-old, for COVID-19 immunization. The following information was reported: INTERCHANGE OF VACCINE PRODUCTS (medically significant) with onset 20Sep2022, outcome "unknown", described as "patient received dose 3 and 4 of Moderna and dose 5 of Pfizer"; PANCREATIC CYST (medically significant) with onset 11Dec2022, outcome "unknown", described as "5 to 6 cm cyst in half of pancreas"; UTERINE LEIOMYOMA (medically significant) with onset Dec2022, outcome "unknown", described as "3.5cm golf ball sized tumor fibroid in cervix". The clinical course was reported as follows: Because she had 5 to 6 cm cyst in tail-half of pancreas, she had half of her pancreas (left side) and entire spleen removed on 22May2023. It was pre-cancerous, but could turn to cancer sooner or later. She was on pain pills so was a little bit loopy. She also had 3.5 cm golf ball sized tumor fibroid in cervix that needs to be removed. She still needed to see surgeon on 07Jun2023. For a long time, they were looking for kidney stone and it turned out it was a tumor. When they did CT scan, they found no kidney stone, they found cyst and tumor. She wanted to know how long she should wait post surgery from pancreatic cyst before getting third tumor removed. The patient underwent the following laboratory tests and procedures: Computerised tomogram: no kidney stone, notes: they found cyst and tumor; Weight: gained 100 pounds, notes: gained 100 pounds when she was sick was; X-ray: Unknown results. Therapeutic measures were taken as a result of pancreatic cyst.