I am facing blood cancers growing out; I even found two of my tumors by myself because I am emerging, I can tell the one in my breast that is how I find them; I had a 4 centimeter cyst in tail of my pancreas and had to had my spleen taken out and half of my pancreas in May this year; developed a 3.5 centimeter Cervical Fibroid Tumor again; This spontaneous case was reported by a patient and describes the occurrence of LEUKAEMIA (I am facing blood cancers growing out) and BREAST CANCER (I even found two of my tumors by myself because I am emerging, I can tell the one in my breast that is how I find them) in a patient of an unknown age and gender who received mRNA-1273 BIVALENT .222 (MODERNA COVID-19 VACCINE, BIVALENT (ORIGINAL AND OMICRON BA.4/BA.5)) for COVID-19 prophylaxis. The occurrence of additional non-serious events is detailed below.    Co-suspect product included non-company product TOZINAMERAN (PFIZER BIONTECH COVID-19 VACCINE) for COVID-19 prophylaxis.    The patient's past medical history included Stomach pain in 2019 and Back pain in 2019.   On an unknown date, the patient received fourth dose of mRNA-1273 BIVALENT .222 (MODERNA COVID-19 VACCINE, BIVALENT (ORIGINAL AND OMICRON BA.4/BA.5)) (unknown route) 1 dosage form On an unknown date, received fifth dose of mRNA-1273 BIVALENT .222 (MODERNA COVID-19 VACCINE, BIVALENT (ORIGINAL AND OMICRON BA.4/BA.5)) (unknown route) dosage was changed to 1 dosage form and first dose of TOZINAMERAN (PFIZER BIONTECH COVID-19 VACCINE) (unknown route) 1 dosage form., second dose of TOZINAMERAN (PFIZER BIONTECH COVID-19 VACCINE) (unknown route) dosage was changed to 1 dosage form and third dose of TOZINAMERAN (PFIZER BIONTECH COVID-19 VACCINE) (unknown route) dosage was changed to 1 dosage form. On an unknown date, the patient experienced LEUKAEMIA (I am facing blood cancers growing out) (seriousness criterion medically significant), BREAST CANCER (I even found two of my tumors by myself because I am emerging, I can tell the one in my breast that is how I find them) (seriousness criterion medically significant), PANCREATIC CYST (I had a 4 centimeter cyst in tail of my pancreas and had to had my spleen taken out and half of my pancreas in May this year) and UTERINE LEIOMYOMA (developed a 3.5 centimeter Cervical Fibroid Tumor again). At the time of the report, LEUKAEMIA (I am facing blood cancers growing out), BREAST CANCER (I even found two of my tumors by myself because I am emerging, I can tell the one in my breast that is how I find them), PANCREATIC CYST (I had a 4 centimeter cyst in tail of my pancreas and had to had my spleen taken out and half of my pancreas in May this year) and UTERINE LEIOMYOMA (developed a 3.5 centimeter Cervical Fibroid Tumor again) outcome was unknown.            On unknown date in 2019, patient had the pain in stomach and in back that missed took as a lay person. Patient was thinking the pain that was not chronic, it was not 24/7 but had a pain in stomach and thought it was an ulcer.   Concomitant Medication use information was not provided by reporter.  Patient had two pfizer vaccines for covid-19, one pfizer booster and two of were moderna.  Patient developed a 3.5 centimeter cervical fibroid tumor again and had a 4 centimeter cyst in tail of pancreas and spleen was taken out and half of pancreas in May this year and patient facing blood cancers growing out. Even found two tumors by patient because patient was emerging, one in breast.  Patient mentioned that messed up twice in life, two times in the something serious, very serious and miss took it for something else.  Patient did not believe that got the cyst or the fibroid from vaccines from COVID-19 because already had those pains at that time but was there a number that they have returned possibly. It was also mentioned that somebody told the patient along the way and some of the best doctors and surgeon, that had taken care patient in life, but they believed some of this could have been cause by the COVID-19 five injections. Patient read just last week a model had a pain in stomach and had like a 12 centimeter cyst in pancreas and who was decade younger than patient and had a pain in stomach.  Treatment Medication use information was not provided by reporter.   Company Comment: This is a Spontaneous case reported by a patient, concerning a patient of unknown age and gender, with no relevant medical history, who experienced the unexpected and serious (due to medically significant) events of Leukaemia and Breast cancer, which occurred on an unknown date related to mRNA-1273.222 vaccine, administered as fourth and fifth dose within COVID-19 vaccination schedule. Co-suspect products included non-company product Tozinameran. As reported, patient developed a 3.5 centimeter cervical fibroid tumor again and had a 4 centimeter cyst in tail of pancreas. Spleen was taken out and half of pancreas. Blood cancer was growing out. No information disclosed about diagnostic tests performed, clinical course or treatments received. Company causality for Breast cancer was assessed as not related to vaccine, in agreement with reporter. The benefit-risk relationship of mRNA-1273.222 vaccine is not affected by this report.  Reporter did not allow further contact