ribs tender to touch; axilla pain ,underarm pain; 2 additional lymph nodes found,Ultrasound showed left axilla lymph node doubled in size; pain constant and wakes her up at night; lump/swelling in back and under breast; swelling in back; Pain worsen in March; swelling in back and under breast; sick in bed for 3 days after Dose 2; sweating; nausea; complete body aches and pain,sore left arm; chills; fever of 102.9F; This spontaneous case was reported by an other health care professional and describes the occurrence of ILLNESS (sick in bed for 3 days after Dose 2), BREAST SWELLING (swelling in back and under breast), MUSCULOSKELETAL CHEST PAIN (ribs tender to touch), HYPERHIDROSIS (sweating) and BREAST MASS (lump/swelling in back and under breast) in a 62-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch nos. 030L20A and 026L20A) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     No medical history was provided by the reporter.  The patient's past medical history included High cholesterol and Hysterectomy (The patient had a total abdominal hysterectomy to treat the cancer.) on 29-Jan-2021. Concurrent medical conditions included Allergic reaction (Reactions are UTI, yeast infection, muscle pain, abdominal pain) and Uterine cancer (Total hysterectomy on 29 Jan 2021. No chemo or radiation needed.). Concomitant products included DENOSUMAB (PROLIA) for Osteoporosis, CALCIUM and VITAMIN D NOS for an unknown indication.   On 06-Jan-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) 1 dosage form. On 03-Feb-2021, received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) dosage was changed to 1 dosage form. On 03-Feb-2021, the patient experienced ILLNESS (sick in bed for 3 days after Dose 2). 03-Feb-2021, the patient experienced HYPERHIDROSIS (sweating), NAUSEA (nausea), MYALGIA (complete body aches and pain,sore left arm), CHILLS (chills) and PYREXIA (fever of 102.9F). On 01-Mar-2021, the patient experienced BREAST SWELLING (swelling in back and under breast), BREAST MASS (lump/swelling in back and under breast), SWELLING (swelling in back) and PAIN (Pain worsen in March). On 15-Mar-2021, the patient experienced PAIN (pain constant and wakes her up at night). On 14-Jun-2021, the patient experienced LYMPHADENOPATHY (2 additional lymph nodes found,Ultrasound showed left axilla lymph node doubled in size). On an unknown date, the patient experienced MUSCULOSKELETAL CHEST PAIN (ribs tender to touch) and AXILLARY PAIN (axilla pain ,underarm pain). On 06-Feb-2021, ILLNESS (sick in bed for 3 days after Dose 2), HYPERHIDROSIS (sweating), NAUSEA (nausea), MYALGIA (complete body aches and pain,sore left arm), CHILLS (chills) and PYREXIA (fever of 102.9F) had resolved. At the time of the report, BREAST SWELLING (swelling in back and under breast), MUSCULOSKELETAL CHEST PAIN (ribs tender to touch), BREAST MASS (lump/swelling in back and under breast), SWELLING (swelling in back), PAIN (Pain worsen in March), PAIN (pain constant and wakes her up at night), AXILLARY PAIN (axilla pain ,underarm pain) and LYMPHADENOPATHY (2 additional lymph nodes found,Ultrasound showed left axilla lymph node doubled in size) had not resolved.      DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available): On 13-Jan-2021, Mammogram: inconclusive (Inconclusive) a benign lymph node was found in her left and right axillae. On 14-Jun-2021, Mammogram: abnormal (abnormal) The lymph node in the left axilla had doubled in size and there were now 2 additional lymph nodes.. On an unknown date, Body temperature: 39.3 degree Celsius High. On an unknown date, Chest X-ray: normal normal. On an unknown date, Computerised tomogram thorax: normal normal.     For mRNA-1273 (Moderna COVID-19 Vaccine) (Unknown Route), the reporter did not provide any causality assessments.   The patient took anti-pyretic medication as Treatment medication.   Her left axilla pain is still present today, 17Jun2021.  The pain is constant and wakes her up at night. She is willing to be a part of any additional testing to help determine the cause of her underarm swelling.   This case was linked to MOD-2021-226349 (Patient Link).   Most recent FOLLOW-UP information incorporated above includes: On 12-Jul-2021: Follow up received on 12 JUL 2021. Patient information updated. Medical history added. Concomitant drugs added. Event outcome updated, On 19-Jul-2021: NNI FU