Young chef Matthew was 18 when doctors discovered a deadly melanoma on the back of his neck. Seven years on the 25 year old is having strange hallucinations and seizures. Also, mother of four and country cop Kathleen has had to hang up her gun belt while doctors investigate a lump on her pelvis.

Thirty-three-year-old Renee has been told she has only two months to live without a kidney transplant or dialysis. Her best hope is a donated kidney. Also, 20-year-old Robert took himself to the doctor after having trouble breathing. A scan has revealed a cancerous tumour on his thyroid gland.