In February, it was claimed that the little boy’s aunt said he was “on the mend”.
And it now seems that little Noah is making even more positive progress after his uncle revealed that he was "doing very well" after treatment.
The condition is more common in children who are born very premature and seems to affect boys more than girls.
The exact cause of hepablastoma is unknown but children at an increased risk of developing the cancer include those who have been exposed to hepatitis B or C.
The couple met after one of his concerts in Buenos Aires in November 2008.
A friend revealed: 'They met at a party the record company threw for him after his show in Buenos Aires.'The head of the label wanted to introduce Michael to Argentina's most famous actress.
"What happened to me after the ex was probably the most important time of my life," he said later. It ended through both of us being young and naïve and making silly mistakes. He used to be in "open relationships," and he says they helped his marriage."I've been in open relationships.
Daddy duty: He posted a photo with his son in his arms in January, writing, 'On the plane and off to Shanghai !
Dario Lopilato spoke ahead of a flight to Los Angeles for a long-awaited reunion with his nephew and his actress sister Luisana.
He spoke movingly of the roller-coaster of emotions that came with last November’s discovery that Noah had cancer in an interview with a newspaper in his native Argentina.
Noah was then thought to be undergoing four months of chemotherapy in a bid to recover from the illness.
In a joint Facebook statement in November Michael and wife Luisana admitted they were “devastated” about Noah’s cancer diagnosis but vowed: “We will win this battle.” Thankfully, things seem to have started to look better for little Noah.