With stomach issues keeping Chris Kaman sidelined for the past two practices, the Lakers are considering him “doubtful” in their next preseason game Tuesday against the Utah Jazz at Staples Center.

Contrary to what D’Antoni originally said, Lakers guard Steve Nash stayed limited both in Sunday’s and Monday’s practice sessions because of jetlag and not because of stomach issues. Nash also described his sore left ankle as “okay” and “serviceable,” and plans to play against the Jazz.

Kaman’s absence will likely open up an opportunity for Wesley Johnson at the power forward spot. Johnson has had a limited role because of a strained left foot keeping him sidelined for three of the Lakers’ six preseason games. He also averaged a team-worst 3 points per game on 25 percent shooting. But D’Antoni likes Johnson’s length and athleticism.

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Follow L.A. Daily News Lakers beat writer Mark Medina on Twitter. E-mail him at mark.medina@dailynews.com