had a swelling under his right arm (where he got the injection); in the last month or so it just continues to get bigger; Right axillary lymphadenopathy/a small lump in lymph node which got larger/then got as big as it is now, about the size of a golf ball; This is a spontaneous report received from contactable reporter(s) (Consumer or other non HCP) from medical information team, Program ID: (159558). The reporter is the patient. A 61-year-old male patient received BNT162b2 (BNT162B2), on 03Sep2021 as dose 3 (booster), single (Lot number: EW6175) at the age of 61 years, in right arm for covid-19 immunisation. The patient's relevant medical history included: "Comments: HIV", start date: 1988 (ongoing); "Comments: Vascular issues", start date: 2005 (ongoing), notes: Just an added thing like for his vascular issues, supposed to thin blood a little more he thinks; "Herpes preventative" (unspecified if ongoing); "Caller is not sure if this is for angina pain for his heart or blood pressure" (unspecified if ongoing); "Caller is not sure if this is for angina pain for his heart or blood pressure" (unspecified if ongoing); "Caller is not sure if this is for angina pain for his heart or blood pressure" (unspecified if ongoing); "To help to pee" (unspecified if ongoing); "Caller guesses as a blood thinner" (unspecified if ongoing), notes: Just an added thing like for his vascular issues, supposed to thin blood a little more he thinks; "Testosterone level is very low" (unspecified if ongoing); "Breathing issues" (unspecified if ongoing); "former smoker of cigarettes for years" (unspecified if ongoing); "seasonal allergies" (unspecified if ongoing); "has cats" (unspecified if ongoing); "Low Vitamin D" (unspecified if ongoing). Concomitant medication(s) included: TENOFOVIR DISOPROXIL FUMARATE oral taken for hiv infection; TRIUMEQ taken for hiv infection; VALACYCLOVIR [VALACICLOVIR] oral taken for herpes zoster; AMLODIPINE oral taken for angina pectoris, blood pressure abnormal, cardiac disorder; METOPROLOL SUCCINATE taken for angina pectoris, blood pressure abnormal, cardiac disorder; TAMSULOSIN taken for dysuria; ISOSORBIDE MONONITRATE taken for angina pectoris, blood pressure abnormal, cardiac disorder; CLOPIDOGREL taken for coagulopathy; ASPIRIN [ACETYLSALICYLIC ACID] taken for angiopathy, coagulopathy; TESTOSTERONE taken for blood testosterone; PROAIR HFA taken for dyspnoea, tobacco user, seasonal allergy, allergy to animal; VIT D [VITAMIN D NOS] taken for vitamin d decreased. Vaccination history included: BNT162b2 (First dose: 28Jan2021, Lot: EN5318, NDC/Expiry: Unknown, not on CDC vaccine record card., Dose: Unknown strength/volume/dose injection to unknown arm in the morning, exact time unknown), administration date: 28Jan2021, when the patient was 60-year-old, for Covid-19 immunization; BNT162b2 (Second dose: 24Feb2021, Lot: EN6202, NDC/Expiry: Unknown, not on CDC vaccine record card., Dose: Unknown strength/volume/dose injection to unknown arm in the morning, exact time unknown), administration date: 24Feb2021, when the patient was 60-year-old, for COVID-19 immunization. The following information was reported: LYMPHADENOPATHY (non-serious) with onset Sep2021, outcome "not recovered", described as "Right axillary lymphadenopathy/a small lump in lymph node which got larger/then got as big as it is now, about the size of a golf ball"; VACCINATION SITE SWELLING (non-serious), outcome "unknown", described as "had a swelling under his right arm (where he got the injection)"; CONDITION AGGRAVATED (non-serious), outcome "unknown", described as "in the last month or so it just continues to get bigger". The event "right axillary lymphadenopathy/a small lump in lymph node which got larger/then got as big as it is now, about the size of a golf ball" required physician office visit. Relevant laboratory tests and procedures are available in the appropriate section.  Additional information: He reported that a couple of weeks after the booster he had a swelling under his right arm (where he got the injection), like the size of a marble. According to the caller, the swelling got larger, then smaller, then larger, and in the last month or so it just continues to get bigger as the size of a golf ball. He got a sonogram of the swelling on 21Apr2021 and was awaiting the results of it. He asked if this was a normal or expected side effect since it has been almost 8 months since he received the booster, or if this was just a coincidence. Additional Information for Other medicines Tenofovir disoproxil fumarate: Start date unknown other than taken for years. Testosterone Gel or Cream: If he does not take it he has night sweats and hot flashes. Lot: K000481, NDC: 68180-941-11, Expiry: 31Jul2022. Caller used term gel and cream interchangeably, captured as provided. The patient received any other vaccines within four weeks prior to the vaccination was reported as none. Prior to the vaccination, the patient diagnosed with COVID-19 was reported as none. All of his surviving family members had the boosters and things and no one else had anything like this and family history medical history reported as none.