Janet Jackson cancelled several dates on her European Unbreakable Tour back in December when she learned she needed to undergo surgery, after a growth was discovered on her vocal cords.

In recent days, Jackson has cancelled the dates that were rescheduled in December.

Might this ignite fears that Janet Jackson has cancer? The cancer rumor ran rampant when word of her throat surgery hit the media in December.

Janet Jackson promises to reschedule her European tour dates https://t.co/6Ak9j6Spjr

— billboard (@billboard) March 10, 2016

While no news as to why the rescheduled dates on her European tour are now cancelled, Janet Jackson did take to Twitter to promise fans they, too, will be rescheduled.

You're missing me, I'm missing you… I'll be rescheduling our Unbreakable shows in Europe as soon as I can. Xoxo

— Janet Jackson (@JanetJackson) March 10, 2016

Janet Jackson is scheduled to go on her U.S. concert tour beginning on June 24 in New Jersey.