had right paratracheal node swelling/Right paratracheal lymph node swelling; one lymph node swelling; This is a spontaneous report received from a contactable reporter (Consumer or other non-healthcare professional) reporting for a patient (husband) via medical information team.  A 65 year-old male patient received bnt162b2 (BNT162B2), administered in arm right, administration date 30Mar2021 (Lot number: ER8732, Expiration Date: 31Jul2021) at the age of 65 years as dose 2, single for covid-19 immunisation. Relevant medical history included: "COVID-19" (unspecified if ongoing), notes: He tested positive with COVID19 and was hospitalized for it prior vaccination; "chemo" (unspecified if ongoing), notes: Has been on chemo for a couple years. Concomitant medication(s) included: STIVARGA taken for chemotherapy. Vaccination history included: Bnt162b2 (COVID-19 Vaccine: First Dose, Lot Number: EM5708, EXP: 30Jun2021, NDC: Unknown, Injection in right bicep, Dose amount: Unknown), administration date: 09Mar2021, when the patient was 65 years old, for COVID-19 immunisation. The following information was reported: PARATRACHEAL LYMPHADENOPATHY (non-serious) with onset 09Aug2021, outcome "unknown", described as "had right paratracheal node swelling/Right paratracheal lymph node swelling"; LYMPHADENOPATHY (non-serious) with onset 09Aug2021, outcome "unknown", described as "one lymph node swelling". Relevant laboratory tests and procedures are available in the appropriate section.  Additional information: This consumer reported similar events for 2 patients. This consumer reported for a patient (husband). Time the Vaccination Was Given was not provided. Anatomical Location of Administration of Pfizer vaccine considered as suspect: Right bicep. Patient's Medical History (including any illness at time of vaccination)? None; Has been on chemo for a couple years. Pretty sure patient's temperature was taken before vaccinations. Prior Vaccinations (within 4 weeks) If applicable, list any other vaccinations within four weeks prior to the first administration date of the suspect vaccine(s): None. Family Medical History Relevant to AE(s): None. Relevant Tests: None; Received results of CAT scan yesterday, 17Aug2021. History of all previous immunization with the Pfizer vaccine considered as suspect (or patient age at first and subsequent immunizations if dates of birth or immunizations are not available): COVID-19 Vaccine: First Dose. LOT: Stated it is not very clear. Initially provided EN6203, but then provided EM5708. Attempted to clarify several times. Caller stated it is EN, then either a G or a 6, but then stops providing it because she cannot read it. Additional Vaccines Administered on Same Date of the Pfizer Suspect: None. The reporter was asking about COVID titers. She was calling with regards to her 65 year old, male, husband. He tested positive with COVID19 and was hospitalized for it prior vaccination with the Pfizer-BioNTech COVID-19 Vaccine. She was asking how effective the vaccine is after a couple of months if you are exposed to covid does the vaccine work and because its working does it get less effective or does it remain effective for a whole year? How and if having COVID19 prior getting the vaccine affects the effectiveness of the vaccine. Exposure to COVID does that decrease its effectiveness. She wanted to remain anonymous. She was calling with regards to her husband. He had both doses of the Pfizer-BioNTech COVID-19 Vaccine and had a CAT Scan on 09Aug2021 and had right paratracheal node swelling and been on chemo for years. She was asking if having COVID19 prior getting the vaccine affects the swollen lymph nodes that would appear and if we had any studies on that. Her husband was on chemo. He had the vaccine and then it had the booster. Had a CAT scan last week showing one lymph node swelling. The reporter was an EMT for 15 years. Clarified location of Lymph node swelling as: Right paratracheal node. CAT scan verifying this swelling was performed on 09Aug2021. She doesn't know if the swelling has gotten bigger or anything because it is in between patient's lungs, she cannot feel it. Clarified patient received first and second COVID-19 Vaccines. Patient will not be getting the third dose. Patient has a port. She was wondering why they would give the vaccines in the arm closest to the port. Chemo clarified as Stivarga, 40mg. LOT: Unknown, clarified there's a pharmacy label covering the manufacturer label. This agent advised her not to remove the pharmacy label. She removed the pharmacy label and it peeled off the lot number with it. Confirmed in a white, sealed, manufacturer bottles. She obtained another bottle of Stivarga to provide a lot number. LOT: 1825367. EXP: Nov2023. Patient gets a comprehensive metabolic panel every 2-3 weeks. Everything was within normal limits, White blood cell count was fine. Didn't have any elevations. AE(s) did not require a visit to Emergency Room or Physician Office.  Follow-up attempts are completed. No further information is expected.; Sender's Comments: Linked Report(s) : US-PFIZER INC-202101070896 same reporter/drug/AE with different patient.