he has a bad kidney; By Tuesday the caller could barely walk; the pain went to this kidney; damage to the spleen; spleen had blood clots; the pain went from the pancreatitis area and kidney area to his chest and left arm.; he loses his balance; vertigo; nausea; This is a spontaneous report from a contactable consumer (patient). A 54-year-old male patient received BNT162B2 (PFIZER-BIONTECH COVID-19 VACCINE; Lot Number: FF8839, Expiration date: Not reported), via an unspecified route of administration in left arm, on 18Sep2021 at 11:45 (at the age of 54-years-old) as dose 2, single for COVID-19 immunization. The patient's vaccine was not administered in a military facility. Medical history included type 1 diabetes mellitus and took insulin for it, had pancreatitis and was hospitalized for 4 days in 2017. No family history was reported. There were no concomitant medications/other products reported. Historical vaccine included BNT162B2 (PFIZER-BIONTECH COVID-19 VACCINE; Lot Number: FC3184, Expiration date: Not reported), via an unspecified route of administration in left arm, on 25Aug2021 as dose 1, single for COVID-19 immunization. The patient previously took insulin for type-1 diabetes mellitus. There was no history of any previous immunization with the Pfizer vaccine considered as suspect and there were no additional vaccines administered on the same date of the Pfizer suspect. No prior vaccinations within 4 weeks prior to COVID vaccine. No adverse events following the prior vaccinations. On 19Sep2021, the family had their breakfast at 11:15 which was usually followed by the family. The patient had his food, and experienced the pain at pancreatitis area which he had 4 years ago. The patient had bad pains in his stomach on 19Sep2021. On 20Sep2021, the patient woke up with the pain that went to his kidney and also had a bad kidney. On 21Sep2021, the patient could barely walk. On 22Sep2021, the patient went to the hospital because of the pain which went from the pancreatitis area and kidney area to his chest and left arm which happened in Sep2021. It was reported that the patient's spleen had blood clots in Sep2021 and insisted that he was in a fight or car accident, but the patient was not in any of them. On 22Sep2021, the patient had a chest x-ray and abdominal computerized tomogram (CT) scan with unknown results. The patient was hospitalized and then had to go back to the emergency room on the next day. The patient went to the emergency room (ER) on 22Sep2021 at 10:30 and was admitted by 17:00. The patient had a second scan of his stomach with dye on 23Sep2021 with unknown results. The patient was discharged from the hospital on 23Sep2021 at 14:30. After the discharge, the patient went back to the hospital because of pain, but the hospital didn't have a hematologist or gastrologist for the weekend, so he was sent to another hospital. The other hospital blew it off and said it will go away. The patient regarding his pain because he could barely stand. The patient didn't want to be hospitalized for the pain because he is uninsured, so they gave him some tramadol and something that keeps him from getting nauseous as treatment for the events. The nurse at the hospital wanted the patient to go to another hospital because they have the scans and everything in their system, but the patient was sent to another hospital because he needs a hematologist and a gastrologist for his condition. The patient was at the other emergency room from 21:00 to 03:00 on the next day. They took blood in Sep2021 and did another scan with dye and at 02:45, they said it's a common issue and will go away with the time. When the patient got up in Sep2021, he loses his balance and his spouse thought it's vertigo, but he thinks it's because of his spleen. On 24Sep2021, the patient had another stomach scan with the dye at the emergency room (ER) then the patient got to another ER, they did another CT abdomen with the dye. They did another scan since the patient wasn't given a compatible disc (CD) with the images of the scans. They did a second chest x-ray with the dye, but they said they can only do half of the dye because he just had the test done. They reported to do another test on the patient's stomach and said there was damage to the spleen. The doctor said it was common for a damaged spleen/damage to the spleen observed in Sep2021 and asked the patient whether he could wait until 25Sep2021 to be seen. They wanted the patient to promise that he would go to the other hospital. All the reported events were resulted in emergency room but reported as only for pain in chest and left arm. It was reported that there was no physician's office visit. The investigator's assessment was reported. The outcome of bad pains in his stomach was not recovered while the outcome of other events was unknown at the time of report.   No follow-up attempts are possible. No further information is expected.