left breast was becoming hard/ entire left breast hard like a brick; felt like a wire was running along the sureface of the left breast; have trouble seeing/ being treated for my eyes; My blood counts were low; had a spot, tail bone a spot; each lung had 3 small spots each; cancer under my left arm, left breast, spine/ nodes in the center of my chest all cancer; cancer was in my left breast to lung-spine-chest nodes; cancer was in my left breast to lung-spine-chest nodes; cancer was in my left breast to lung-spine-chest nodes; This is a spontaneous report received from contactable reporter(s) (Consumer or other non HCP). The reporter is the patient.  A 68-year-old female patient received BNT162b2 (BNT162B2), in Feb2021 as dose 2, single (Batch/Lot number: unknown) for covid-19 immunisation. The patient's relevant medical history and concomitant medications were not reported. Vaccination history included: Bnt162b2, administration date: Jan2021, when the patient was 66 years old, for Covid-19 immunization, reaction(s): "developed a knot on my arm and then under my left armpit", "developed a knot on my arm and then under my left armpit". The following information was reported: NEOPLASM MALIGNANT (medically significant) with onset Aug2021, outcome "unknown", described as "cancer under my left arm, left breast, spine/ nodes in the center of my chest all cancer"; METASTASES TO LUNG (medically significant), METASTASES TO SPINE (medically significant), METASTASES TO CHEST WALL (medically significant) all with onset Aug2021, outcome "unknown" and all described as "cancer was in my left breast to lung-spine-chest nodes"; PULMONARY MASS (non-serious) with onset Aug2021, outcome "unknown", described as "each lung had 3 small spots each"; BONE DISORDER (non-serious) with onset Aug2021, outcome "unknown", described as "had a spot, tail bone a spot"; BREAST INDURATION (non-serious), outcome "unknown", described as "left breast was becoming hard/ entire left breast hard like a brick"; SKIN INDURATION (non-serious), outcome "unknown", described as "felt like a wire was running along the sureface of the left breast"; VISUAL IMPAIRMENT (non-serious), outcome "unknown", described as "have trouble seeing/ being treated for my eyes"; FULL BLOOD COUNT ABNORMAL (non-serious), outcome "unknown", described as "My blood counts were low". The patient underwent the following laboratory tests and procedures: Full blood count: (unspecified date) My blood counts were low. notes: My blood counts were low; Positron emission tomogram: (Aug2021) showing cancer under my left arm, left breast, spi, notes: Pet Scan in August showing cancer under my left arm, left breast, spine had a spot, tail bone a spot., each lung had 3 small spots each, and the nodes in the center of my chest all cancer. Therapeutic measures were taken as a result of neoplasm malignant, metastases to lung, metastases to spine, metastases to chest wall, breast induration, skin induration, bone disorder, pulmonary mass, visual impairment, full blood count abnormal.  Additional information: The next vaccine and the left breast was becoming hard. It felt like a wire was running along the surface of the left breast. Patient was telling her Drs. My Dr. retired. So she had to find a family Dr to get things going to get treatment so say insurance company. So from Feb to Sept just doing all the hoops for the insurance company before getting any treatment. By the time she got treatment 06Sep2021 the entire left breast hard like a brick. Pet Scan in August showing cancer under her left arm, left breast, spine had a spot, tail bone a spot., each lung had 3 small spots each, and the nodes in the center of her chest all cancer. She did 3 invasive chemo treatments. Dr. said improved. Started ibrance with Pfizer assistance. Patient did have the Pfizer covid vaccines and that was when she noticed the knots. She did get hormone injections with the ibrance. Patient had trouble seeing since the chemo injections at the cancer center. Being treated for her eyes. All this started before ibrance.  The information on the batch/lot number for BNT162b2 has been requested and will be submitted if and when received.; Sender's Comments: Linked Report(s) : US-PFIZER INC-PV202300113767 Same patient/vaccine, different vacine dose/event;