arm puffiness; her left breast was swollen; had a lot of arm aches where the injection site was; Body aches; swelling in her lymph nodes; had some nerve tingling in her finger; Arm swelling; swelling under her left side of the arm, the left armpit; This is a spontaneous report from a contactable consumer (patient) via medical information team. A 61-year-old female patient received second dose of BNT162B2 (PFIZER-BIONTECH COVID-19 VACCINE, Formulation: Solution for injection, Lot Number: EL9264, expiry date unknown), via an unspecified route of administration in left arm on 04Feb2021 at 17:30 in the beginning of February (at the age of 61 years old) as single for COVID-19 immunization. Patient previously received first dose of BNT162B2 (PFIZER-BIONTECH COVID-19 VACCINE, Formulation: Solution for injection, Lot Number: EL3302), via an unspecified route of administration in left arm on 14Jan2021 in the middle of January (at the age of 61 years old) for COVID-19 immunization and experienced no reaction. Medical history included headache. No family medical history relevant to adverse events was provided. No concomitant medications were reported. Patient occasionally took Excedrin or Avil expectorant for headaches and experienced no reaction on previous exposure to drug but did not take any prescription medication. The patient did not receive any other vaccinations within four weeks prior to the first administration date of the suspect vaccine. The patient did not administer any vaccine on same date with the Pfizer vaccine considered as suspect. Patient had no problems with the first injection received on 14Jan2021; all the events started after she received the second dose of the vaccine. On 05Feb2021, patient had body aches. 14 or 15 hours after the injection, patient's arm started aching. Patient had a lot of arm aches on the injection site. Patient took Tylenol for the body aches, which lasted a few hours and recovered on 05Feb2021. Patient was having a lingering symptom. On 06Feb2021, patient's left arm, in the armpit, had puffiness, it was not sore in the tissue and she did not know if it is the muscles or tissue. Patient had swelling under her left side of the arm, the left armpit and noticed the lymph node and got scared. Her arm really hurt on the third day and it was worse than the second day. Swelling eventually went down but not completely. She said it stayed the same and she has not noticed any more improvement for the last few months. She kept thinking it would go down more but it was the same. Patient stated that no one would notice the swelling, but she noticed a protrusion when she lifted her arm up. It did not hurt it was just there. When she lifted her arm up, the left arm was noticeably different than the right armpit. Patient's left breast was also swollen with the whole site near the armpit on 06Feb2021. Swelling started to go down but it took days. Patient had some nerve tingling in her finger on the left side and maybe in her arm, which did not last long, and she figured it was from the swelling pushing on the nerves. She did not notice it that weekend, so it might have been a few days after the weekend when she received the second vaccine. Patient had a gynecologist appointment at the beginning of April and gynecologist did not seem to be concerned, he said it could be her lymph node. Patient did not feel like she needed to go see a doctor because most of the swelling had gone down and just the lingering puffiness was still there, and she kept thinking it was going to go away and it just needed a few weeks. Swelling still had not gone down and patient had given it a few months. Events did not require a visit to emergency room or physician office. No relevant tests were performed. Outcome of the events swelling in her lymph nodes was unknown while of arm puffiness was not recovered. Outcome of the events her left breast was swollen, Arm swelling and swelling under her left side of the arm, the left armpit was recovering. Events "had a lot of arm aches where the injection site was and had some nerve tingling in her finger" recovered on an unspecified date.