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.

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.

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

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

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

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.

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

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

Sarrah Strimel Bentley opens up about getting diagnosed with breast cancer and how it impacted her fertility and dreams of starting a family.

The study found women are 66% less likely to die from breast cancer than they were 20 years ago.

Shannen Doherty opened up about feeling "fear" and "turmoil" while giving a sobering update on her cancer treatments.

Kisqali is already FDA approved, but the new data means it could be used in a broader range of patients.

Most women should start screening for breast cancer at age 40, and they should get screened every other year through age 74, according to new draft guidance.

A study released last week has shed some new light on how breast cancer rates have been disproportionately affecting Black female patients.

All types of hormonal contraceptives carry a small increased risk of breast cancer.

As AI touches seemingly everything, that includes breast cancer screening too.

In a major effort to improve breast cancer prevention, the FDA will now require mammogram facilities to inform women if they have dense breast tissue.

Leanne Hainsby said she got a second opinion that "saved my life."

Philecia La'Bounty said she was 29 when she felt a lump on her left breast.

Couric said she has undergone surgery and radiation since being diagnosed with breast cancer.

Stephanie Schmidt, 30, says her breast cancer was discovered at a prenatal visit.

Sonia Jeffers and daughter Mysean Powell, and Diana Serano and daughter Miriam Fajardo open up about being diagnosed with breast cancer on "The View."

"Anne With an E" star Miranda McKeon is currently undergoing chemotherapy.

New data could help change treatment and life expectancy.

A pill for breast cancer can prevent recurrence, symptoms, and death in a specific group of women, a new study finds.

"I'm really good, I'm not just saying that," she said.

A brief history of how breast cancer has been depicted on TV throughout the years in honor of Breast Cancer Awareness Month's 35th anniversary.

"Now I'm almost 15 years out and I'm leading a very healthy and happy and normal life because I was diagnosed at such an early stage," she said about breast cancer.

Jennifer Gordon, Tanisha Worthy and Jennifer Grannis explain the importance of getting your annual mammogram despite the ongoing pandemic on "The View" Oct. 22, 2020.

Dolly Parton, Sara Evans and other female artists collaborated on "PINK," a song supporting the fight to end breast cancer.

Meagan McCallum and Courtney Werner were diagnosed just months apart.

Shannen Doherty recently opened up about how she is managing after revealing earlier this month that she is battling stage 4 breast cancer.

"[People] look at you like you're, you know, dead man walking basically."

"90210" actress Shannen Doherty reveals that she has stage 4 cancer to "GMA"

A study using a Google artificial intelligence system suggests the computer predicts breast cancer in mammography scans more accurately that human experts.

ABC News' Dr. Jennifer Ashton shares the big takeaways from the new research.