blood clots/clot went up left leg into heart, through heart, and got stuck there and did some lung damage; I am going to get my heart checked,  it twinges a little bit; sick; lung damage from it as well/it did not go into the lung like mine did; doesn't feel good; she couldn't breathe.; really upset; This is a spontaneous report from a contactable consumer. This 71-year-old female consumer (patient) reported for herself.  A 71-years-old female patient received bnt162b2 (COMIRNATY; formulation: solution for injection), dose 1 via an unspecified route of administration on 05Feb2021 (Batch/Lot Number: EN5318; Expiration Date: May2021) as DOSE 1, 0.3 ML SINGLE; and dose 2 via an unspecified route of administration on an unspecified date in Feb2021 (Batch/Lot Number: EN6203; Expiration Date: 30Jun2021) as DOSE 2, 0.3 ML SINGLE (both at the age of 71-years-old) for COVID-19 immunization. The patient has no relevant medical history. There were no concomitant medications. No additional vaccines were administered on same date of the Pfizer suspect. Prior Vaccinations (within 4 weeks) were none, does not get any shot/vaccines. Family medical history relevant to adverse events was not reported. On an unspecified date in 2021, the patient got blood clots/clot went up left leg into heart, through heart, and got stuck there and did some lung damage. The patient also had some lung damage from the clot as well. The patient got an ultrasound in the leg and the clot was still there, in the calf. The patient as going to get heart checked, it twinges a little bit, the other clot there. The patient was still on medications. The patient queried about how to know whether the vaccine was close to the expiration date, there was a possibility of something happening to the vaccine. Does it form a fungus and asked what happens when vaccine was stored outside of recommendation. The patient was very sick from this clot and could not afford to be sick. The patient was sicker after the vaccine than was before. The patient further stated that life has been shortened and having to take more medications that the patient never did before. The patient wanted to get her lungs checked. The event blood clots/clot went up left leg into heart, through heart, and got stuck there and did some lung damage caused hospitalization from an unspecified date to an unspecified date. On an unspecified date in 2021, the patient does not feel good. The clots were still there. The patient was told that there was damage done to her lungs because the clot got caught between her heart and lungs and the patient was still sick from it. The patient queried why this was happening and the patient was definitely positive that this happens with the COVID-19 shot and wanted to know what to do. The patient clarified of having 2 blood clots. When probed to determine whether the patient was a licensed healthcare professional, stated no, but was a caregiver to a 100% service-connected disabled veteran and does nursing care, confirmed not a licensed healthcare professional but was licensed by the VA to be caregiver and the patient gives shots to him and does his medications. The patient was not under provider's care for the blood clots and had to go to the hospital by ambulance and was seen by the doctors in the ER and hospital. The patient clarified the other blood clot was in her leg and was told they think the clot went up her left leg into her heart, through her heart, and got stuck there and did some lung damage. The clot was from the leg, maybe. The patient forgot what she heard when sick but heard something like that. When probed for the date of blood clots, stated it was 7 weeks ago, was not sure of the date. Maybe it was the beginning of Sep2021 but was not even sure. The patient has the dates on paper and stuff, does not have the dates of hospitalization but has it somewhere. The patient has been trying to block this out, has been in shock since this happened, and when the patient thinks about it, gets really upset that this happened. The patient was still upset about it and does not feel good. The patient gets really irked the more she thinks about it, clarified all of the dates and everything were on paper. The patient confirmed of having a picture of vaccine record card but stated the way the thing was, it was overshadowing all the other writing and could not tell what information was for which dose. The patient does not understand why there were two different expiration dates when had both doses. The patient while informing dose 1 vaccine expiry date stated that it expired in 2 weeks and was weird. When probed about date of vaccination, the patient believed it said 25Feb2021, but it may say 20Feb2021 or 26Feb2021, she could not read the writing. The patient does not recall the anatomical location, thinks it was right arm for both doses, but it may have been her left, she was not sure. The patient does not do vaccines, does not even take flu shot. At the time of report, the patient could not take a third one. The patient was told she could not take a third Pfizer COVID shot, and they were saying you could not mix the vaccines. The patient was really upset and stated should not have taken any. The event blood clots/clot went up left leg into heart, through heart, and got stuck there and did some lung damage required emergency room visit and physician office visit. The patient had to go to physician office a day before time of reporting. The patient had an ultrasound of legs, was getting ready to go get an echo for heart. The patient was not feeling good. The clot did do damage to a small part of lung, she does not know whether that part died or what happened to it. The patient had to go emergency room through ambulance and could not breathe. The patient thinks the hospitalization was 2 or 3 days; stated the hospital had COVID there. The patient clarified every hospital has COVID and does not want to go in and get sick. The patient had CAT scans, ultrasound, blood work, all of that. The results was that the patient had 2 blood clots, clarified as small to moderate blood clots, do not know which one was which size, knows one clot was in the middle chamber, clarifying it went from heart to the middle chamber of her lung, a little area of her lung. The patient was told something like that. The patient stated when she could not even take the third Pfizer shot, why did she even take the first one and got sick for no reason. The patient stated was better off taking chances of getting COVID when the Pfizer shot was not going to help in anyway. The clinical outcome of all the events was unknown.  No further details were provided or obtained.