The 32-year-old moved to the San Siro on a season-long loan last summer and he is set to return to Chelsea next month.
Having endured a disappointing spell at Stamford Bridge, Shevchenko has also struggled to make an impact in his second stint with the Rossoneri.
He has previously stated that he would like to remain with the Italian club but agent Fabio Parisi admits that is unlikely.
Parisi is not sure whether Shevchenko has a future at Chelsea but feels he could resurrect his career in another country.
"Shevchenko is a player on loan at Milan from Chelsea and I think he will return to London," he told www.Calciomercato.it.
Rapport"Frankly, I don't think it's possible that the Rossoneri will decide to keep him."
Parisi added: "I don't know what kind of rapport he has found with (Carlo) Ancelotti and his team-mates, the only problem is that he is a player on loan and, given how the season has gone, I think Andriy will return to Chelsea.
"If he's to stay there or not is to be seen, it depends on who will be the coach and what he wants to do.
"But I don't think the doors of Italy will re-open for him next season.
"Anyway, Sheva will decide on his own, he's quite calm, he doesn't need anyone's help. However, another country seems to me the more likely option."