A new U.S. rule requires mammography centers to inform women about their breast density

Board Certified OBGYN Dr. Corinne Menn discusses the rise in the number of women under 50 with breast cancer in the U.S. and how all woman can be proactive about their health.

Leading breast cancer doctor Elizabeth Comen kicks off our "Faces of Breast Cancer" series with breast cancer prevention; when to get screened, who has increased risks, and much more.

The steepest rise in new breast cancer cases is among women under 50, according to the American Cancer Society.

Lisa Newman, the chief of the Section of Breast Surgery at New York-Presbyterian, discusses breast cancer prevention, early screenings and diagnosis discrepancies.

A panel of top doctors in the field answers questions from a group of breast cancer survivors, thrivers and caregivers.

A breast cancer diagnosis impacts approximately 1 in 8 women in their lifetime. Dr. Darien Sutton discusses the many ways to take control of your own health.

Breast cancer surgeon and medical director at Pink Lotus Breast Center, Dr. Kristi Funk, discusses the findings of a new report on how breast cancer affects young women.

The CEO of the American Cancer Society, Dr. Karen Knudsen, joins "GMA" to discuss new facts and figures about breast cancer.

Dr. Karen Knudsen, CEO of the American Cancer Society and ACS CAN, joins “GMA” to talk about the 2024 Breast Cancer Statistics report.

The study builds on a growing body of research suggesting 3D mammography could offer benefits over 2D imaging.

Dr. Elizabeth Comen from NYU Langone Health discusses the report in the Journal of the American Medical Association that found additional breast cancer screening could benefit some women.

The “Boy Meets World” actress shared that she has been diagnosed with breast cancer during a recent episode of her podcast.

ABC News' Dr. Darien Sutton breaks down DCIS, the rare form of breast cancer "Boy Meets World" actress Danielle Fishel shared she was diagnosed with.

"Boy Meets World" alum Danielle Fishel opened up about being diagnosed with breast cancer, specifically high-grade DCIS with microinvasion.

October is Breast Cancer Awareness Month. Here’s what you need to know about breast cancer disparities. Why do they still exist? Black women are now 42 percent more likel

ABC News’ medical correspondent Dr. Darien Sutton breaks down the latest study regarding breast cancer treatment and what it may mean for women making surgery choices.

"GMA" looks at a new survey that finds while almost all women know the importance of regular health screenings, more than 40% have skipped or delayed them.

Olivia Munn opened up about how friend Shannen Doherty supported her amid her cancer battle and bravely fought against the disease herself.

Donna Osborne said she wants to travel to Alaska after becoming a millionaire.

Derek Rodenhausen, the husband of the late author Sarah Mandel, opens up about his wife's final TikTok video.

Actress Olivia Munn opens up to ABC News’ Michael Strahan about the private battle she has been fighting after an unexpected breast cancer diagnosis.

We take a look at a promising new blood test from Personalis that could potentially predict a patient’s chances for relapse after their initial breast cancer treatment.

"Dance Moms" alum Kelly Hyland opened up about her breast cancer diagnosis and battle in a recent interview.

Most younger women who were diagnosed with breast cancer were successful in getting pregnant, according to a new study.

The actress opened up about a nearly year-long private battle with breast cancer.

Last month, Olivia Munn announced her diagnosis of stage 1 aggressive Luminal B breast cancer in both breasts, sharibng her experience on social media to raise awareness for in-depth cancer screening.

Olivia Munn opens up about breast cancer and fertility issues in 1st TV interview since revealing her most recent surgeries as part of her breast cancer journey.

Black women are at a 40% higher risk of dying from breast cancer, the report found.

The 43-year-old actress also underwent a double mastectomy after her diagnosis.

ABC News’ Dr. Jen Ashton talks about the drop in screening age and what women should know.

The new guidance comes on the heels of mounting evidence showing higher rates of breast cancer among women in their 40s.

Olivia Munn opened up about how boyfriend John Mulaney and their son Malcolm have supported her amid her cancer battle.

The actress shared details about her yearlong battle in a new interview with People magazine, saying "it was a lot tougher" than she expected.

A new CDC report published on Tuesday found that about one-third of socially vulnerable women were not receiving recommended mammograms.

A new study has shown that altering the treatment for breast cancer patients may lower the need for multiple surgeries.

ABC News' Dr. Darien Sutton breaks down promising new breast cancer research from Memorial Sloan Kettering Cancer Center about using ice to shrink tumors in breast cancer patients.

The co-anchor of "SportsCenter," who is now cancer-free, revealed publicly for the first time that she was diagnosed with breast cancer in January.

Former "Baywatch" star Nicole Eggert debuted her new look as she continues to share her cancer journey on social media.

Dr. Jen Ashton breaks down the GAIL Model, which Munn credited in part with saving her life.

The actress shared her yearlong private battle with breast cancer, revealing she underwent four surgeries, including a double mastectomy, since her diagnosis.

Oliva Munn revealed her breast cancer diagnosis and that she has undergone four surgeries, including a double mastectomy.

Early detection of breast cancer is critical for overall survival rates. A new breast imaging technology shows promising preliminary results in detecting breast cancer. Dr. Jen Ashton explains.

A simulation-based study reports a 58% reduction in breast cancer deaths from 1975 to 2019. ABC News chief medical correspondent Dr. Jen Ashton explains why.

The "Baywatch" and "Charles in Charge" star opened up to People magazine about why she initially brushed off her symptoms.

Former 'Baywatch' star Nicole Eggert, 51, said she gained 25 pounds and had "terrible pain" prior to her breast cancer diagnosis.

The vaccine could be available in five years if studies go well.

ABC News’ Dr. Jennifer Ashton explains a new breast cancer trial out of the Cleveland Clinic that shows promising phase one results.

The "Beverly Hills, 90210" star discusses her journey with stage 4 breast cancer and her new podcast.

Shannen Doherty recently shared an update on her stage 4 breast cancer, saying she isn't giving up the fight.