Lunden announced her diagnosis on television . Posting to fans via Twitter and a letter on her website JoanLunden.com , Lunden said she had received an all-clear two weeks ago after her annual mammogram , but `` for women who have dense fibrous breast tissue , as I do , often our doctors will recommend an ultrasound as well . '' A mammogram did n't reveal the diagnosis . She said she 's now in ` ` " mode ''
Lunden announced her diagnosis on television . A mammogram did n't reveal the diagnosis . She said she 's now in ` ` " mode ''