Uneven clavicle. 65 i am very worried!

I have a weird condition I don't know was it from my birth or it just appeared all of the sudden because of the lockdown i got conscious of my body...my left collarbone not bone actually but the lower part of the bone the mass is little higher then the right side i went to my surgeon i told her about it and she told me its nothing at first i thought its a swollen lymph node my doctor checked me and couldn't feel any lump bump anything or any swelling i kept goggling about it every search was abnormal like it lead to infections and cancer i did all my test blood routine stool and urine also all were normal also i have bilateral fibroadenoma i got a surgery done in the right side in 2019 when ever i stand infront of the mirror i see its higher on the left side and i am also trying to losing weight i was 69 now i am 65 i am very worried