The hospital carried out a biopsy and a CT scan before Roisin was told it was a cancerous tumour. Roisin has a type of cancer called osteosarcoma which, in the jaw bone, is extremely rare.

Osteosarcoma: This can be external, just on the jaw bone, and not involve the mouth at all. Without having the tumor aspirated and the cells examined under a microscope, this is the most likely ...