Wimbledon Championship tickets
The bassist fought and won a battle with oral cancer in 2006 but the disease returned and spread to his voicebox.
Hamilton sought help from specialist Dr. Steven Zeitels and he was a radical new laser procedure previous week in San Antonio, Texas Jeep cancer cells.
The star admits that surgery was risky because it can return to his voice completely.
He tells KSAT.com, "I was just terrified. I really thought, 'Oh, I am looking at not being able to talk.'"
Fortunately, the operation was successful and Hamilton has not lost her vocal abilities are grateful.
He says, "The second I had a tiny bit of consciousness, the first thing I did was make a sound, and it felt normal, and it sounded normal."
Hamilton is now resting ahead of Aerosmith's upcoming tour of Mexico, South America and Japan, which kicks off in October.