Maurizio Sarri could get the all-clear to be present for his first home clash as Juventus coach on Saturday against his former club Napoli, after missing the season-opener with pneumonia.
The eight-time defending champions' first home game of the campaign pits them against last season's runners-up.
The 60-year-old has reportedly irritated club bosses by continuing to smoke despite his health issues.
Chain-smoking Sarri was photographed holding a packet of cigarettes while posing with fans outside his home earlier this week.
Despite his condition, Sarri has still conducted training sessions, and in recent days has come out on the pitch, according to reports in Italy.
The former Chelsea manager spent three trophyless seasons with Napoli and his decision to join Juventus has been viewed as a betrayal by his former club and supporters.
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Sarri's continued absence could however provide a boost for Carlo Ancelotti's Napoli, who won their opening game 4-3 against Fiorentina.
Juventus posted an uninspiring 1-0 win over Parma last weekend with Cristiano Ronaldo having a goal controversially ruled offside by VAR. Napoli's new Mexican signing Hirving Lozano could make his debut.
"I know Juve and I know how good they are," said former PSV Eindhoven winger Lozano.
"But my new teammates are also strong. I also know how important it is when we play against them. I hope to get onto the pitch but that's up to the coach. I'm ready for any decision."
"It will be a hard-fought match."
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"We'll go out there and give everything we have to try and get the result we want. We have to get back in the Champions League."