i'VE HAD A SORE, TENDER LEFT BREAST FOR A WEEK TO TEN DAYS NOW, WITH NO EVIDENT BUMPS, LUMPS, ETC... i'VE TRIED TO GO BRA-LESS, CHANGED BRAS, TO NO AVAIL. i AM 71 YRS OF AGE. AT FIRST i THOUGHT IT MAY BE MY UNDERWIRE, SO I REMOVED IT AND IT HELPED SOMEWHAT BUT THE PAIN SEEMS TO BE COMING FROM DEEPER IN. I HAVE A MAMMO BOOKED FOR A WEEK FROM NOW FOR STARTERS. PLEASE ADVISE.