Sharp pains in her left wrist down her arm and under her arm/went down by her left breast and shooting pains through there and under her arm; Sharp pains in her left wrist down her arm and under her arm/got the shot in left arm and the sharp pains shot into left breast and under her arm; Sharp pains in her left wrist down her arm and under her arm; Then it went down by her left breast and shooting pains through there; she had the booster, third shot on Saturday; Hot at the injection site; Knot is still there and has gotten smaller; hot at the injection site and then it went down by her left breast; This is a spontaneous report received from contactable reporter (Consumer). The reporter is the patient. A 66-year-old female patient received bnt162b2 (BNT162B2), administered in the left arm on 13Nov2021 (Lot number: FF2593) at the age of 66 years as dose 3 (booster), single for covid-19 immunisation (age thing and has heart trouble and doctor advised her to get the first two and the booster). Relevant medical history included: "had five stents put in" on Sep2021; "Heart trouble" date: 2015 (ongoing), notes: stated that she started having it six years ago. The patient took concomitant medications (unspecified heart medication). Vaccination history included: Bnt162b2 (1st Dose, lot number: EN6198, Right arm), administration date: 27Feb2021, when the patient was 65 years old, for COVID-19 immunization; Bnt162b2 (2nd Dose, lot number: ER2613, Left arm), administration date: 20Mar2021, when the patient was 65 years old, for COVID-19 immunization. The following information was reported: IMMUNISATION (medically significant) with onset 13Nov2021, outcome "unknown", described as "she had the booster, third shot on Saturday"; VACCINATION SITE PAIN (medically significant) with onset 13Nov2021 13:00, outcome "recovering", described as "Sharp pains in her left wrist down her arm and under her arm/got the shot in left arm and the sharp pains shot into left breast and under her arm"; AXILLARY PAIN (medically significant) with onset 13Nov2021 13:00, outcome "recovering", described as "Sharp pains in her left wrist down her arm and under her arm"; BREAST PAIN (medically significant) with onset 13Nov2021, outcome "recovering", described as "Then it went down by her left breast and shooting pains through there"; PAIN (medically significant) with onset 13Nov2021 13:00, outcome "recovering", described as "Sharp pains in her left wrist down her arm and under her arm/went down by her left breast and shooting pains through there and under her arm"; VACCINATION SITE WARMTH (non-serious) with onset 13Nov2021, outcome "recovering", described as "Hot at the injection site"; VACCINATION SITE MASS (non-serious) with onset 13Nov2021, outcome "recovering", described as "Knot is still there and has gotten smaller"; FEELING HOT (non-serious) with onset 13Nov2021, outcome "recovering", described as "hot at the injection site and then it went down by her left breast". The clinical course as follows: the patient stated she had the booster, third shot on Saturday and about 1:00 or 2:00 that she started having sharp pains in her left wrist down her arm and under her arm. She mentioned that it got hot at the injection site and then it went down by her left breast and shooting pains through there and under her arm. They gave her Tylenol and Benadryl which is letting up little at a time but that it is still there. It is very painful. She added that doctor stated that some shots swell the blood vessel, artery or thyroid. She mentioned that she did not know if it had anything to do with it but with her heart she never knows. She clarified that she got the shot in left arm and the sharp pains shot into left breast and under her arm. She stated that the knot is still there and has gotten smaller while it is still warm at the injection site.