"Mattia Destro underwent surgery on his left knee at Villa Margherita today," the Serie A club said on their website.
"The operation... lasted 20 minutes and was a complete success. The recovery period is expected to be approximately eight weeks."
The 22-year-old Destro, who has scored four goals in 16 appearance this season, hurt his knee and his right ankle during the 2-1 defeat of Inter in the first leg of an Italian Cup semi-final on Wednesday.
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