A new MRI machine that has the ability to freeze tumours is now in use at a hospital in Sydney's south-west, meaning patients don't need invasive surgery to fix debilitating pain.

The technique utilised by the MRI machine is called cryoablation, where a needle powered by gas is inserted into a tumour, freezing the target and turning it into an iceball.

Patients can be in and out of hospital in a day and have a quicker recovery time than would be expected from normal, more invasive surgery.

"That ice is used to kill the tumour in a very neat, discreet way," Dr Glenn Schlaphoff from Liverpool Hospital told 9News.

One patient who has already reaped the benefits is grandmother Josephine Cordina, 64, whose serious pain was caused by a nine-millimetre tumour on her spine.

"Lying down and si

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