"I was bitter for a fair while, absolutely filthy, and as I said I was embarrased and I reckon the disappointment led to the cancer" Triple M Brisbane 104.5 breakfast show co-host and ex wallaby Greg Martin opens up about his diagnosis with melanoma 6 months after he was axed from the Australian rugby team just before the 91' world cup. This is not something that Marto has ever spoken about publicly however he firmly believes that the cancer diagnosis was the physical manifestation of the stress