I noticed like a little bump under my armpit on Saturday and then today is the little bit bigger right under side where I got my vaccine, under my armpit it's swollen; I had body ache; This is a spontaneous report received from a contactable reporter(s) (Consumer or other non HCP). The reporter is the patient.  A 44 year-old female patient received bnt162b2 (BNT162B2), administered in arm left, administration date 2021 (Lot number: FC3180) at the age of 44 years as dose 2, single for covid-19 immunisation. Relevant medical history included: "High cholesterol" (unspecified if ongoing). There were no concomitant medications. Vaccination history included: Bnt162b2 (Dose: 01), for COVID-19 immunization. The following information was reported: LYMPHADENOPATHY (non-serious) with onset 11Sep2021, outcome "unknown", described as "I noticed like a little bump under my armpit on Saturday and then today is the little bit bigger right under side where I got my vaccine, under my armpit it's swollen"; PAIN (non-serious) with onset 11Sep2021, outcome "unknown", described as "I had body ache". Therapeutic measures were taken as a result of lymphadenopathy, pain.  Additional information: The consumer stated that, on Friday afternoon, the patient got her vaccine in her arm left and she noticed like a little bump under her armpit on Saturday and then today was the little bit bigger right under side where she got her vaccine, under her armpit it's swollen. Enquired, was that normal. Has anybody reported any side effects like that. Stated that, it was Pfizer COVID-19 vaccine, her second dose. When paraphrased the concern, consumer stated that, it's a little swollen. Consumer was informed about Pfizer Drug Safety. Consumer was informed about Pfizer Medical Information and asked to provide the number and informed about timings, consumer stated that, there was no live person at the moment or not. Stated that, the consumer was informed to visit emergency room in case of any emergency. In response to reporting of side effects, consumer enquired, could they report that side effects. Consumer was provided the number of Pfizer Medical Information as withheld. Further consumer stated, they are going to report her adverse event. Product details: Expiration date#: Stated that, they didn't put on her card. No, there was no expiration date, no, just LOT# number and the date. Stated that, when probed for mailing address, withheld (Captured as per Verbatim). Stated that, HCP: the consumer was a research coordinator. (Hence captured as consumer or other non-health professional). Consumer stated that, event onset date was no, the next day, Saturday, and yesterday. (11Sep2021). Other medical conditions: Consumer stated, she was sorry, it's called Hashimoto. Stated that, she didn't think that's a medical history (further not clarified hence Hashimoto not captured in tab). Hashimoto and High Cholesterol, that's it. Medication for high cholesterol and Hashimoto was reported as no. Prior vaccinations were reported as no. The consumer stated that, no treatment for the events, she was just putting ice today because it's going down. Stated that, she was putting ice. Further consumer stated, yes putting ice, but yesterday last night she had body ache, when she had body ache, she took Tylenol (treatment). The reporter seriousness for the events was reported as unspecified. Telephone#: Consumer stated, yes, withheld, she was sorry, that might be wrong, it's 1. Enquired, was that mistake. Stated that, no, that's withheld. Stated that, they want the phone#, she was sorry. Stated that, let her get it for them and that's withheld.  Follow-up attempts are completed. No further information is expected.