Sunburn sensation/look like they've been out in the sun and gotten sunburn; cheeks more pink than normal; Flushing; Tenderness in both his nipple breast area; Tenderness in both his nipple breast area; Nipple area is puffly and feels like there is some type of mass; Nipple area is puffly and feels like there is some type of mass; This spontaneous case was reported by a consumer (subsequently medically confirmed) and describes the occurrence of NIPPLE PAIN (Tenderness in both his nipple breast area), BREAST TENDERNESS (Tenderness in both his nipple breast area), BREAST MASS (Nipple area is puffly and feels like there is some type of mass), SKIN SWELLING (Nipple area is puffly and feels like there is some type of mass) and SUNBURN (Sunburn sensation/look like they've been out in the sun and gotten sunburn) in a 90-year-old male patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch nos. 026L20A and 013M20A) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     The patient's past medical history included Stent placement on 25-Dec-2011, Knee replacement on 12-Oct-2009 and Gallbladder removal. Concurrent medical conditions included Gastroesophageal reflux disease, Asthma, Blood pressure high, High cholesterol, Diabetes mellitus, Diverticulitis, Chronic obstructive airways disease, Dysphagia, Hay fever, Drug allergy (Reactions:Headache, upset stomach, constipation), Drug allergy (Reactions: Light headed, disorientation), Pollen allergy (which may go into asthma if not treated in time.) and Grass allergy (which may go into asthma if not treated in time.). Concomitant products included MONTELUKAST SODIUM (SINGULAIR) and LORATADINE for Allergy, TRAMADOL for Back pain, AMLODIPINE, ACETYLSALICYLIC ACID (ASPIRIN (E.C.)), CLOPIDOGREL BISULFATE (PLAVIX) and SPIRONOLACTONE (SPIRONOLACTON) for Blood pressure high, SIMVASTATIN for Cholesterol, SITAGLIPTIN (JANUVIA [SITAGLIPTIN]) and GLIPIZIDE for Diabetes mellitus, FLUOCINONIDE (FLUOCINONIDE-E) and GLYCEROL, PANTHENOL (CETAPHIL CLEANSERS OILY SKIN) for Dry skin, PANTOPRAZOLE SODIUM SESQUIHYDRATE (PROTONIX [PANTOPRAZOLE SODIUM SESQUIHYDRATE]) for Stomach ulcer, SALBUTAMOL (PROVENTIL [SALBUTAMOL]) for an unknown indication.   On 13-Jan-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) 1 dosage form. On 10-Feb-2021, received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) dosage was changed to 1 dosage form. On 14-Jan-2021, the patient experienced NIPPLE PAIN (Tenderness in both his nipple breast area), BREAST TENDERNESS (Tenderness in both his nipple breast area), BREAST MASS (Nipple area is puffly and feels like there is some type of mass) and SKIN SWELLING (Nipple area is puffly and feels like there is some type of mass). On an unknown date, the patient experienced SUNBURN (Sunburn sensation/look like they've been out in the sun and gotten sunburn), RASH ERYTHEMATOUS (cheeks more pink than normal) and FLUSHING (Flushing). At the time of the report, NIPPLE PAIN (Tenderness in both his nipple breast area), BREAST TENDERNESS (Tenderness in both his nipple breast area), BREAST MASS (Nipple area is puffly and feels like there is some type of mass), SKIN SWELLING (Nipple area is puffly and feels like there is some type of mass) and RASH ERYTHEMATOUS (cheeks more pink than normal) outcome was unknown and SUNBURN (Sunburn sensation/look like they've been out in the sun and gotten sunburn) had resolved. Not Provided    DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available): On 13-Apr-2021, Mammogram: unknown (abnormal) GYNAECOMASTIC.     mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) dosing remained unchanged.       No treatment information was reported; however, the patient was scheduled for a mammogram on the 13-April-2021.   This case was linked to US-MODERNATX, INC.-MOD-2021-068955 (E2B Linked Report).   Most recent FOLLOW-UP information incorporated above includes: On 22-Jun-2021: Updated  medical history, lab data, Product indication .; Sender's Comments:  US-MODERNATX, INC.-MOD-2021-068955: