As per the Huffington Post:

Olivia Newton-John announced her breast cancer diagnosis Tuesday in a Facebook post.

The 68-year-old singer postponed her nationwide tour in May due to what she believed was merely back pain but now understands is a cancer relapse. Newton-John was diagnosed with breast cancer in 1992. As part of her treatment, she underwent a partial mastectomy, chemotherapy and breast reconstruction. The “Grease” actress has been a health advocate and champion for cancer survivors ever since.

“I decided on my direction of therapies after consultation with my doctors and natural therapists and the medical team at my Olivia Newton-John Cancer Wellness and Research Centre in Melbourne, Australia,” Newton-John said in her post.

The Australian actress will undergo photon radiation therapy to treat the cancer, which is now metastasized, according to her post. (A metastatic cancer means that the illness has spread to another part of the body.) Newton-John’s cancer has spread to the sacrum, a bone in the lower back, which is likely why she originally mistook the pain for sciatica.

Her tour, which was scheduled to begin Thursday, is now postponed with new dates coming at a later time. Newton-John is not taking interview requests at this time. Ticket buyers for the upcoming concerts should contact venues directly about refunds. Rescheduled concert dates will be posted at OliviaNewton-John.com in the coming weeks.

About The Author Gus

My first opportunity to write about music was with Kissunderground, featuring just one band (KISS). In 2006, I started working for another outlet that showcased more musicians. It was a great experience for me at the time. I personally nailed down some great interviews during my time at glam-metal.com (Paul Stanley, Jonathan Davis, Slash and Sully Erna to name a few). In early 2009, I decided to venture out on my own with the idea of creating a website that has all the offerings that a reader would want in a music review website. That's when Backstageaxxess.com began. I’m so proud of what was created here and of our staff that brings it to you. Each one offers a diverse opinion and a creative ability to share it in a unique way. We are so lucky to have them here. When discussing making a list of favorite shows with the staff, I also found it hard to narrow that list down to a select handful of shows. Everyone experiences a concert in their own terms, whether it’s the show itself, maybe it’s the people you met there and the new friendships created, or maybe it was meeting the artist at the show. For my criteria, I tried to stick to just the show itself, but again, it was sometimes hard to do. My first concert was Sammy Hagar’s first tour with Van Halen at the Niagara Falls Convention Center, Niagara Falls, NY, on August 30, 1986. My favorites are as follows: 1. Kiss – Tiger Stadium - Detroit, Michigan 6/28/96 2. SARS (Rolling Stones, AC/DC, Rush, and handful of other bands) - Downsview Park – Toronto, Ontario 7/30/03 3. Paul McCartney (every McCartney show I saw was awesome, but Iwent with my first show) Air Canada Centre -Toronto, Ontario 10/10/05 4. Motley Crue – Memorial Auditorium – Buffalo, NY 12/19/89 5. Kid Rock – Tweeter Center - Camden, New Jersey 3/25/06 The honorable mentions would be any McCartney show (The Joint at the Hard Rock, Las Vegas, Nevada, April 2009 or Air Canada Centre Toronto, Ontario 8/10/10), Prince (Club 2112) at the Rio Hotel, Las Vegas 12/30/07, Heart (Pulse Lounge * only 200 people) Hilton Hotel, Anaheim, California, January 21,2008, Monsters of Rock (Van Halen, Scorpions, Metallica, Dokken, and Kingdom Come) Rich Stadium, Orchard Park, NY 6/19/88 and the Rocklahoma Festival (Queensryche, Lita Ford, Triumph, etc.). Also, Cher (with my mom) at the Blue Cross Arena Rochester, NY, November 22, 2004.