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.

GMA Lifestyle contributor Lori Bergamotto showcases products that give back to an amazing cause.

Paula Flory founded Move Over Breast Cancer, which provides free, non-clinical support to breast cancer patients, after being diagnosed with stage three breast cancer in 2011.

Women have formed a sisterhood to discuss treatment and are thriving after battling the disease.

For Men's Breast Cancer Awareness Week, two men open up about their journey after receiving their diagnosis.

Dr. Elizabeth Comen, an oncologist at Memorial Sloan Kettering Cancer Center, discusses what men need to know about breast cancer.

Sally Joy Wolf was diagnosed with early stage 2 breast cancer at 40, which later spread to her hip.

ABC News' Erielle Reshef breaks down how to find breast cancers that are not always easily identifiable.

Dr. Elizabeth Comen, oncologist as Memorial Sloan Kettering Cancer Center, talks through what to expect at a first mammogram.

Country star Mackenzie Porter and ABC News contributor Dr. Alok Patel talk about the importance of getting early screening for breast cancer with genetic risks.

Broadway actress Sarrah Strimel Bentley opens up about her journey of battling breast cancer, and teams up with sponsor Eli Lilly and Company.

While the physical toll of cancer is apparent, “GMA” examines the less-obvious financial toll of the disease.

Kate Korson was diagnosed with stage 3, triple-negative breast cancer.

October is breast cancer awareness month and Dr. Darien Sutton shares what you need to know about prevention, treatment, and how you can help.