Breast cancer: The 3 blind spots women often miss when checking their breasts

An aggressive form of breast cancer has unusual symptoms most women fail to notice, researchers have suggested.

Olivia Newton-John, Kylie Minogue, Rita Wilson, Maggie Smith and Jennifer Saunders have joined a whole galaxy of stars who have shared their own personal experiences with breast cancer.EXCLUSIVE: Remembering Olivia Newton-John - Her family, Dolly Parton, Sir Cliff and more share memoriesNot only does it raise awareness but celebrities who choose to speak out about their own diagnosis can also help remove the stigma associated with cancer. In our Breast Cancer Awareness Month special, HELLO! spoke to Cancer Research UK about why celebrities telling their stories can make a difference...Information nurse at Cancer Research UK, Julia Frater, said: "It can have a huge impact when celebrities diagnosed with cancer choose to speak about their experiences publicly.

Olivia Newton-John gave her friend and country singer Kelly Lang the strength to "continue on".EXCLUSIVE: Remembering Olivia Newton-John - Her family, Dolly Parton, Sir Cliff and more share memoriesIntroduced through their mutual friend Sir Barry Gibb – they both had an instant bond as mothers, singers, writers and a shared connection to breast cancer that Olivia called thrivers. Kelly, a 17-year breast cancer thriver, had to put a "brave face" on when she was diagnosed with breast cancer at 36, with two young girls to look after.Now in our Breast Cancer Awareness Month special, the musician has lovingly talked about how her friend Olivia inspired her with her "big heart" and was like a "big sister" to her.She told HELLO!: "Having been a breast cancer patient myself, she gave me the strength to continue on.

Kylie Minogue and Olivia Newton-John are among the stars who laid bare their hearts and souls when they were diagnosed with breast cancer.EXCLUSIVE: Remembering Olivia Newton-John - Her family, Dolly Parton, Sir Cliff and more share memoriesIn our Breast Cancer Awareness Month issue, HELLO! celebrates the legacy of Olivia Newton-John and her celebrity friends share their special memories of her exclusively with us. Here are five powerful quotes we love from celebrities who have a positive message for women who have breast cancer..."Having had cancer, one important thing to know is you're still the same person at the end."You're stripped down to near zero. But most people come out the other end feeling more like themselves than ever before."WATCH: Olivia Newton-John's best moments"My cancer scare changed my life.

Elizabeth Hurley has spoken from the heart about her "enormous sadness" over losing her grandmother to breast cancer.READ: Remembering Olivia Newton-John - Her family, Dolly Parton, Sir Cliff and more share emotional memoriesAs the Global Ambassador for The Estée Lauder Companies' Breast Cancer Campaign, the actress shared her expertise and knowledge with HELLO! for our Breast Cancer Awareness Month special. The mother-of-one revealed she is "so proud" of her campaigning efforts and hopes her grandmother would be too.Speaking openly about her own experiences with self-checking and mammograms, Elizabeth has an important message for women everywhere…Elizabeth: That my grandmother didn't talk about her diagnosis, is a source of enormous sadness to me – and I feel that if she'd been diagnosed today with what we know now, with the advances they've made in treatments, with diagnosis, with awareness, the way we talk about it, I feel it could just have been different for her.

Former EastEnders actress Sam Womack has recently opened up about her breast cancer diagnosis.

Samantha Womack has offered fans an update after she revealed she has been diagnosed with breast cancer. The former EastEnders star shared her diagnosis in August following the death of Olivia Newton-John.

Katie Couric is spreading breast cancer awareness.

Katie Couric was immediately inundated with a wave of love and support when she shared on Wednesday that back in June, she had been diagnosed with breast cancer.MORE: Katie Couric makes emotional retelling of reporting the 11 September attacksThe journalist revealed that she received news of the official diagnosis on 21 June, the day of her wedding anniversary with husband John Molner.VIDEO: Katie Couric pleads with fans after sharing worrying health update from bedOf course, despite knowing at the time, she kept quiet on social media and chose to spend her day as planned, even sharing an adorable anniversary post featuring many clips and moments of the couple from their years together.John, of course, also showed his support for Katie, especially with a loving anniversary dedication of his own on social media that same day.MORE: Katie Couric marks the end of summer with beachside swimsuit videoHe shared a beautiful picture of his wife from presumably the same day, drink in hand, as he penned a few sweet words for her."We will get older among this crowd. The water roars and rumbles down.

Katie Couric has been diagnosed with breast cancer. The US TV star opened up about her health battle in a candid essay posted online in which she revealed she was given the diagnosis on 21 June - the day she was supposed to celebrate her eighth wedding anniversary with husband John Molner - and she later underwent a lumpectomy before starting radiotherapy treatment. The former 'Today' show host described the moment she was given the results of her mammogram, writing: "I felt sick and the room started to spin .

Katie Couric had a very scary summer.

On Wednesday, September 28, the former , 65, shared on Instagram that she was diagnosed with breast cancer in June and is currently undergoing treatment for it. She had surgery in July, and on September 7 she started radiation treatment. shared a photo of herself wearing a mask and a white robe sitting in a waiting room. “Every two minutes, a woman is diagnosed with breast cancer in the United States,” Couric wrote in the post’s caption.

A routine visit turned nightmare. Katie Couric revealed that she was diagnosed with breast cancer earlier this year after putting off a mammogram.