The peculiar shape of a woman's fingernail transpired to be a terrifying indication she had cancer.
Jean Taylor took to Facebook to share a snap of her fingernail asking her followers if they knew why it curled over. She was urged to go and visit a doctor, who informed her that she had lung cancer.
As reveals, Jean took to Facebook to share her story as a stark warning to her friends and family.
Writing alongside the image, she wrote: "2 weeks ago i posted this pic on my wall asking if anyone had seen nails like this. A few google post later and i was urged to go to the Doctor. A tad extreme i thought....
"I was rushed for blood tests and a chest xray, 2 days later i got a phone call to go for a CT scan, 2 days later a PET scan and more blood test, the day later a breathing test on my lungs and a scan on my heart, the day later an MRI scan then a lung biopsy.
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"After a gruelling 2 weeks, yesterday I got my results.......Cancer in both my lungs !!!!.
"When your nails curve its often linked to heart and lung disease and its official term is " clubbing" i had no idea....Did You ????
"Hope this post can help someone else in the early stages of cancer.
Big shout out to the NHS you have been excellent and I thank all the staff that have dealt with my diagnosis."
On Cancer Research's page, they explain that 'finger clubbing' means specific changes in the shape of your fingers and fingernails. It is also called digital clubbing or Hippocratic fingers. People with heart or lung problems sometimes have these changes, they note.
Finger clubbing happens in more than 3 out of 10 people (35%) with non small cell lung cancer but only about 4 out of 100 people (4%) with small cell lung cancer.
We are hoping Jean gets well soon and think it's incredibly brave of her to share her story.
For more information, visit www.cancerresearchuk.org.