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The 46-year-old saw her regular GP when he was back from holidays in January last year and he immediately sent her for further tests.
"I knew there was something wrong," she said.
"I had a gut feeling I needed to take it further. Fear came over me and I thought I need to get answers and tests."
Those tests revealed Ms Murray had stage three throat cancer in her tonsil, the base of her tongue and left lymph node.
The cancer was caused by HPV, the human papillomavirus.
HPV is a common sexually transmitted infection which usually shows no symptoms and goes away by itself, but can sometimes cause serious illness.