gland under both my arms swelled to larger than golfball size//right lump/left lump; painful; could not lower arms to side; feet swelled a bit/foot swelling lasted 3 weeks; had beging 2 dose moderna/switch to pfizer; had beging 2 dose moderna/switch to pfizer; This is a spontaneous report received from a contactable reporter(s) (Other HCP). The reporter is the patient.  A 63-year-old female patient received BNT162b2 (BNT162B2), on 22Jan2022 as dose 3 (booster), single (Lot number: FJ5682) at the age of 63 years, in left arm for covid-19 immunisation. The patient's relevant medical history included: "Hysterectomy" (ongoing); "High BP" (ongoing); "Migraine" (ongoing); "Asthma" (ongoing); "weakened immune system." (unspecified if ongoing), notes: Booster dose due to a weakened immune system. Concomitant medication(s) included: PREMARIN oral taken for hysterectomy (ongoing); ATENOLOL oral taken for hypertension, migraine (ongoing); ALVESCO oral taken for asthma (ongoing). Vaccination history included: moderna (DOSE 1, Lot number: unknown), administration date: 10Mar2021, when the patient was 62-year-old, for COVID-19 Immunization, reaction(s): "I was unable to walk", "severe pain", "extremely swelling of feet & legs", "extremely swelling of feet & legs"; moderna (DOSE 2, Lot number: unknown), administration date: 07Apr2021, when the patient was 62-year-old, for COVID-19 Immunization, reaction(s): "I was unable to walk", "severe pain", "extremely swelling of feet & legs", "extremely swelling of feet & legs". The following information was reported: OFF LABEL USE (non-serious), INTERCHANGE OF VACCINE PRODUCTS (non-serious) all with onset 22Jan2022, outcome "unknown" and all described as "had beging 2 dose moderna/switch to pfizer"; LYMPHADENOPATHY (non-serious), outcome "recovering", described as "gland under both my arms swelled to larger than golfball size//right lump/left lump"; LYMPH NODE PAIN (non-serious), outcome "recovering", described as "painful"; MOBILITY DECREASED (non-serious), outcome "unknown", described as "could not lower arms to side"; PERIPHERAL SWELLING (non-serious), outcome "recovering", described as "feet swelled a bit/foot swelling lasted 3 weeks". The events "gland under both my arms swelled to larger than golfball size//right lump/left lump", "painful", "could not lower arms to side" and "feet swelled a bit/foot swelling lasted 3 weeks" required physician office visit.  Additional information: Patient had beginning 2 doses Moderna (10Mar2021 & 07Apr2021). I was unable to walk due to extremely swelling of feet & legs accompanied by severe pain. Went down after 6 months of second shot. Reason she switched to Pfizer. Dr checked- No heart issue. Both 1st & 2nd Pfizer boosters, her glands under both her arms swelled to larger than golfball size, Painful but no fever, she couldn't lower arms to side. Feet swelled a bit-Nothing like before. Right lumb went away first both Pfizer vaccination times- 13 days left lump took 21 days 1st time & 17 days 2nd shot. Foot swelling lasted 3 weeks both times & reoccurs from time to time but not unbearable. Pain yes, swelling yes but improves. Did not seek medical attention with Pfizer. 1st time Dr. said it was a normal reaction to contact if continues past 21 days.  Follow-up attempts are completed. No further information is expected.