![](https://nypost.com/wp-content/uploads/sites/2/2017/05/shutterstock_142335808.jpg?quality=75&strip=all)
Actress Olivia Newton-John has announced she is suffering from breast cancer for a second time which has spread to her sacrum bone. But what is the sacrum bone and how can back pain be a sign of br…
![](http://www.melbournebreastcancersurgery.com.au/wp-content/themes/ypo-theme/images/sign-of-secondary-breast-cancer.jpg)
Breast Cancer Recurrence Breast Cancer Surgery Melbourne, VIC
![](https://nypost.com/wp-content/uploads/sites/2/2017/05/tanaka4.jpg?quality=80&strip=all&w=306&h=204&crop=1)
May 31, 2017 New York Post
![](https://i0.wp.com/post.medicalnewstoday.com/wp-content/uploads/sites/3/2022/06/1867641-What-signs-of-breast-cancer-are-there-other-than-a-lump-1296x1616-Body-821x1024.jpg?w=1155&h=3393)
8 signs and symptoms of breast cancer besides a lump
![](https://irp.cdn-website.com/69c0b277/dms3rep/multi/Breast+Cancer+Early+Signs-+Symptoms-+Types-+Risk+Factors+and+Prevention.jpg)
Breast Cancer Symptoms, Signs, Types, Risk Factors and Prevention
![](https://www.mayoclinic.org/-/media/kcms/gbs/patient-consumer/images/2014/10/27/12/14/mcdc7_spinalcord.jpg)
Vertebral tumor - Symptoms and causes - Mayo Clinic
Don't Ignore These Cervical Cancer Warning Signs
![](https://nypost.com/wp-content/uploads/sites/2/2017/05/170531-swingers-pampas-grass-feature.jpg?quality=80&strip=all&w=306&h=204&crop=1)
The Sun New York Post
![](https://nypost.com/wp-content/uploads/sites/2/2017/05/gettyimages-687890678.jpg?quality=80&strip=all&w=306&h=204&crop=1)
The Sun New York Post
![](https://nypost.com/wp-content/uploads/sites/2/2017/06/170601-north-korea-ipad-feature-1.jpg?quality=80&strip=all&w=306&h=204&crop=1)
The Sun New York Post
![](https://femina.wwmindia.com/content/2016/Dec/shutterstock_128042738_1482390068.jpg)
4 uncommon signs of breast cancer
![](https://cdn.shopify.com/s/files/1/2358/7487/files/2_9273063a-ce12-4312-8b99-ac93927b2c55.jpg?v=1602086001)
Rise & Grind - Breast Cancer Awareness Month – Liam & Company
![](https://live.staticflickr.com/4151/5029455937_5ff2964379_b.jpg)
![](https://i.etsystatic.com/19261660/r/il/bc8003/3628733553/il_fullxfull.3628733553_p7iv.jpg)
![](https://images-static.nykaa.com/media/catalog/product/1/f/1f0b985NXSKN-N2S1153-SKIN_4.jpg?tr=w-500)
![](https://upload.wikimedia.org/wikipedia/commons/thumb/7/71/CUPS.svg/1200px-CUPS.svg.png)