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Bills right tackle Seantrel Henderson wasn’t at practice yesterday, and he could be missing even more time.

According to Jay Skurski of the Buffalo News, Henderson is facing another NFL suspension this season, after starting the year with a four-gamer for violating the league’s drug policy. The suspension isn’t expected to be announced this week, but is looming.

A source told the newspaper that Henderson was absent yesterday for a doctor’s appointment related to his Crohn’s disease diagnosis, though he wasn’t listed on the team’s injury report.

Henderson said after the first suspension that it was triggered by his use of medical marijuana, which is not allowed by the NFL.

“I’ve got doctors telling me this is the No. 1 medicine that would help your disease,” Henderson said earlier this year. “You try to tell that to the league and it seems like they didn’t care too much. . . .

“I hadn’t even been thinking about marijuana until it was brought up to me by a doctor. Since I’ve been in the league, I’ve been in the program. I got drug tested three times a week. There’s no recreational use. There’s none of that.”

Something is apparently amiss, and we’ll see if he’s included on today’s report or if he’s back at practice.