Lomberg recorded an assist in Thursday's 4-3 overtime loss to the Bruins.
Lomberg signed a two-year, $4 million contract with Calgary on Monday, per Elliotte Friedman of Sportsnet.
Lomberg won't play Monday in Game 5 against Tampa Bay despite being cleared to return from an illness, according to Jameson Olive of the Panthers' official site.
Lomberg (illness) will not be in the lineup Saturday for Game 4 versus Tampa Bay, George Richards of Florida Hockey Now reports.
Lomberg (illness) will not play Thursday versus Tampa Bay, according to Colby Guy of Florida Hockey Now.
Lomberg (illness) might return for Game 3 against Tampa Bay on Thursday, coach Paul Maurice told Jameson Olive of the Panthers' official site on Wednesday.
Lomberg is under the weather and will be sidelined versus Tampa Bay for Game 2 on Tuesday, Steve Goldstein of Bally Sports Florida reports.
Lomberg scored a goal on two shots in a 4-2 win over the Rangers on Monday.
Lomberg added an assist in Saturday's 8-4 win over the Avalanche.
Lomberg (upper body) is expected to be available for Game 1 against Carolina on Thursday, per Jameson Olive of the Panthers' official site.