my arm was incredibly sore, into my armpit; my arm was incredibly sore, into my armpit; My lymph nodes are visibly swollen/distended.; Bruise at injection site; Red rectangular rash(?) measuring 1x2" about 1" below injection site, which is a bit hard and very tender.; Red rectangular rash(?) measuring 1x2" about 1" below injection site, which is a bit hard and very tender.; Smaller red spot 1" of site toward back of arm.; Soreness from site extends to red rectangle and then up around back of arm into armpit.; Swelling from lymph node extends into breast; dose received 3; This is a spontaneous report received from contactable reporter(s) (Consumer or other non HCP). The reporter is the patient.  A 41 year-old female patient (not pregnant) received bnt162b2 (BNT162B2), administered in arm left, administration date 15Dec2021 15:00 (Lot number: FF25) as dose 3 (booster), single for covid-19 immunisation. Relevant medical history included: "Penicillin" (unspecified if ongoing). Concomitant medication(s) included: SYEDA. Past drug history included: Known allergies: ceclor, reaction(s): "Drug allergy". Vaccination history included: Bnt162b2 (Dose Number: 2, Batch/Lot No: ER8727, Location of injection: Arm Left), administration date: 26Mar2021, when the patient was 40 years old, for Covid-19 Immunization; Bnt162b2 (Dose Number: 1, Batch/Lot No: EN6205, Location of injection: Arm Left), administration date: 05Mar2021, when the patient was 40 years old, for Covid-19 Immunization. The following information was reported: IMMUNISATION (non-serious) with onset 15Dec2021 15:00, outcome "unknown", described as "dose received 3"; PAIN IN EXTREMITY (non-serious), AXILLARY PAIN (non-serious) all with onset 17Dec2021, outcome "not recovered" and all described as "my arm was incredibly sore, into my armpit"; LYMPHADENOPATHY (non-serious) with onset 17Dec2021, outcome "not recovered", described as "My lymph nodes are visibly swollen/distended."; VACCINATION SITE BRUISING (non-serious) with onset 17Dec2021, outcome "not recovered", described as "Bruise at injection site"; RASH ERYTHEMATOUS (non-serious), TENDERNESS (non-serious) all with onset 17Dec2021, outcome "not recovered" and all described as "Red rectangular rash(?) measuring 1x2" about 1" below injection site, which is a bit hard and very tender."; RASH MACULAR (non-serious) with onset 17Dec2021, outcome "not recovered", described as "Smaller red spot 1" of site toward back of arm."; PAIN (non-serious) with onset 17Dec2021, outcome "not recovered", described as "Soreness from site extends to red rectangle and then up around back of arm into armpit."; BREAST SWELLING (non-serious) with onset 17Dec2021, outcome "not recovered", described as "Swelling from lymph node extends into breast". Therapeutic measures were not taken as a result of pain in extremity, axillary pain, lymphadenopathy, vaccination site bruising, rash erythematous, tenderness, rash macular, pain, breast swelling.  Additional Information: The patient did not receive any other vaccines within 4 weeks prior to the COVID vaccine. The patient was not diagnosed with COVID-19. The patient has not been tested for COVID-19 since the vaccination.  No follow-up attempts are possible. No further information is expected.