headache; inflated pectoral area with discomfort.; For the 2nd dose, the swelling is more sever. Caller mentioned "you can see it at first sight."; more pain; had muscle pain; Caller said the swelling at that time looked like a swollen lymph node located in the left arm under the armpit and was not that severe; For the 2nd dose, the swelling is more sever/looks worse than the 1st one.; This is a spontaneous report received from a non-contactable reporter(s) (Consumer or other non HCP) from medical information team.  A 42 year-old male patient received bnt162b2 (BNT162B2), administration date 16Nov2021 (Batch/Lot number: unknown) as dose 2, single for covid-19 immunisation. The patient's relevant medical history and concomitant medications were not reported. Vaccination history included: Comirnaty (1st dose of Comirnaty on 26Oct2021), administration date: 26Oct2021, when the patient was 41 years old, for COVID-19 immunization, reaction(s): "The patient received the 1st dose of Comirnaty on 26Oct2021 and had an inflated pectoral area with discomfort", "Caller said the swelling at that time looked like a swollen lymph node located in the left arm under the armpit and was not that severe". The following information was reported: HEADACHE (non-serious) with onset Nov2021, outcome "not recovered", described as "headache"; CHEST DISCOMFORT (non-serious) with onset Nov2021, outcome "not recovered", described as "inflated pectoral area with discomfort."; SWELLING (non-serious) with onset Nov2021, outcome "not recovered", described as "For the 2nd dose, the swelling is more sever. Caller mentioned "you can see it at first sight.""; PAIN (non-serious) with onset Nov2021, outcome "not recovered", described as "more pain"; MYALGIA (non-serious) with onset Nov2021, outcome "not recovered", described as "had muscle pain"; LYMPHADENOPATHY (non-serious) with onset Nov2021, outcome "not recovered", described as "Caller said the swelling at that time looked like a swollen lymph node located in the left arm under the armpit and was not that severe"; CONDITION AGGRAVATED (non-serious) with onset Nov2021, outcome "not recovered", described as "For the 2nd dose, the swelling is more sever/looks worse than the 1st one."  Additional information: Patient was the one that was on the call with a translator but had a caregiver speak in behalf of him instead. The patient is a 42-year old male. The patient received the 1st dose of Comirnaty on 26Oct2021 and had an inflated pectoral area with discomfort. Patient received the 2nd dose on 16Nov2021 and experienced the same thing. Caller and patient wanted to know more information about that, they're thinking it might be the lymphatic area they've read in the brochure. As per caller, the patient was 41 when he got the 1st dose. Caller said the swelling at that time looked like a swollen lymph node located in the left arm under the armpit and was not that severe. For the 2nd dose, the swelling is more sever. Caller mentioned "you can see it at first sight. "Caller added that the patient experienced more pain, had muscle pain, as well as headache. Caller asked what they should do as it has been 72 hours since the patient got the 2nd dose. Caller also mentioned that this looks worse than the 1st one.   No follow-up attempts are possible; information about lot/batch number cannot be obtained. No further information is expected.