Help Save Panzer

Panzer is our 8 year old baby boy whom we rescued in 2013. Five years ago he was diagnosed with squamous cell carcinoma in his jaw, a cancer that is terminal if left untreated. He had surgery 5 years ago which removed the cancer and several teeth, but it has come back and is more aggressive than ever. He needs a CT scan and a mandibulectomy to remove a segment of jaw bone that the cancer has settled in. This would be a life saving surgery to ensure its completely gone and doesn't spread. He's our son and a wonderful brother. He plays an important role as little brother to Roo, by relieving anxiety and stress. They are inseparable and Roo would be lost without him, as would we. He's our son and we want to do everything we can to save him. Please help if you are able.Thank you so much!