Singer Jessie J announced that she has been diagnosed with breast cancer.

The English pop singer Jessie J says she has been diagnosed with early breast cancer

Tina Knowles opened up about her breast cancer diagnosis and recovery last year.

ABC News' Dr. Tara Narula breaks down a new study that found regular mammograms after age 70 may reduce the risk of late-stage cancer and death.

Katie Thurston shared an update about her breast cancer diagnosis in an Instagram video on Friday.

Thurston says she was diagnosed with Stage 3 breast cancer.

Former Bachelorette Katie Thurston revealed her breast cancer diagnosis in a social media post on Saturday.

A new study says advanced breast cancer is on the rise in the U.S. in women under 40, especially among Black women. Dr. Lisa Newman breaks down the key takeaway from the study.

Rates of late-stage breast cancer at diagnosis have risen among women in all racial and ethnic groups, but Black women have been hit hardest, according to a study published in Radiology.

Black women experience advanced diagnoses 55% more often than white women and are more likely to die from the disease, the study found.

"GMA" looks at promising results in an early study of a breast cancer vaccine.

Former MTV VJ Ananda Lewis sits down with Kelley L. Carter to discuss her stage four breast cancer diagnosis and the tough treatment decisions she’s had to make. 

Wren Morrobel shares their personal story about living with metastatic breast cancer. Dr. Elizabeth Comen discusses what it means to live with the disease and talks about treatments.

The Grammy-nominated singer and actress said she underwent a double mastectomy.

The "I Love Your Smile" singer and "44: The Obama Musical" actress is opening up about her journey after being diagnosed with breast cancer in June.

"It took me a long time to face the fact that I myself was at an increased risk for breast cancer."

A report from the American Cancer Society found that breast cancer cases among younger women are on the rise. A mother and daughter are sharing their experiences this Breast Cancer Awareness Month.

After watching her mom and grandmothers battle breast cancer, ABC News Live coordinating producer Rachel Katz chose to have a preventative double mastectomy. Her journey to surgery was far from easy.

ABC News' Rachel Katz shares her journey to undergoing a double mastectomy.

Only 33% of transgender individuals undergo breast cancer screening, despite real risks. Dr. Alexes Hazen, who specializes in gender-affirming procedures, advocates for the importance of screenings.`

A journey fighting breast cancer led Tiah Tomlin-Harris to her ultimate calling, a non-profit called "My Style Matters," which educates women battling breast cancer on healthy lifestyle practices.

Actress, producer and podcast host Danielle Fishel opens up about her breast cancer diagnosis.

Researchers studied nearly 80,000 women ages 15 to 49 for the findings.

Executive director at Densebreast-info.org, Joann Pushkin discusses a new U.S. rule which requires mammography centers to inform women about their breast density.

Kim Landrum never imagined she would regain her strength after her breast cancer diagnosis.

The research found that use of intrauterine devices may lead to an increased risk of developing breast cancer.

ABC News' Melissa Adan sat down with the actress, who says it was hard to share her diagnosis with family and now urges others to get themselves screened.

26-year-old Cameron Colan, a young nurse in a cancer ward, helps patients while undergoing her own treatment.

Elissa Kalver launched We Got This, a registry that helps those battling cancer get the products and services they need.

The "Boy Meets World" star shares her journey and the message she considers a lifesaver.

Indigenous women aren't seeing the same gains in breast cancer outcomes as other groups as one woman's journey highlights reasons why

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.