Lisa Royle, a 42-year-old woman from Manchester, United Kingdom, shared a photo showing a symptom of breast cancer other women might ignore, Yahoo! Health reports. The photo she posted via Facebook, which was already deleted, shows dimpling on her breast.

Royle, wrote on her post, "Ok so I never thought I'd post a boob picture on Facebook but I thought I would before it gets chopped off next week.

"So here it is..... This all that I found on my boob. Very subtle dimples underneath that could easily be missed when we're all rushing round getting ready in a morning.

"Please take time to check your boobs. It could save your life." 

Her post reportedly got viral with more than 35,000 likes, notes Yahoo! Health. It had been shared to friends over 55,000 times.

As for Royle, she just had her mastectomy this week, reports Daily Mail. The subtle sign saved her life by cutting the progression of the disease before it became hard to treat.

Yahoo! Health interviewed Susan K. Boolbol, MD, the Chief of the Division of Breast Surgery at Mount Sinai Beth Israel. She confirmed that one should be concerned of dimpling on breasts as it could indicate cancer.

Boolbol explained, "As a cancer grows, it can pull the skin in. It is the same thing that can cause the nipple to become inverted." 

Thus, every woman should also watch out for these signs, as noted on Cancer.org:

1. A new lump mass

2. Swelling of a part of a breast or whole

3. Irritation of the skin or dimpling

4. Pain within the breast or nipples

5. Nipple retraction 

6. Scaly, reddish or thickened nipple or breast skin

7. Having nipple discharge (other than breast milk)

One can determine early signs of lump or mass development in the breasts by careful examination. However, one should also be very vigilant of subtle signs, including dimpling.

According to Cancer.org, breast cancer is the most usual type of cancer found among American women, aside from skin cancer, which is the leading type among all cancers. 

Statistics show that out of 8 women in the U.S., one woman exhibits an invasive form of breast cancer. For this year alone, more than 230,000 new cases of invasive breast carcinoma have been found, notes the American Cancer Society. More than 60,000 cases are non-invasive.

The American Cancer Society predicts that more than 40,000 will succumb to this type of cancer this year.