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On Thursday, Lady Gaga canceled her performance at Brazilian music festival Rock in Rio, citing debilitating pain. On Monday, she announced that she’d be unable to continue on the European leg of her World Tour because of “physical and mental health struggles.”

In a long message to her fans on Twitter, Gaga explained that she needs to be with her doctors and recover. On Tuesday, Gaga had revealed that she has fibromyalgia on Twitter, and her statement implied that she will be speaking more about the condition in future:

I have always been honest about my physical and mental health struggles. It is complicated and difficult to explain, and we are trying to figure it out. As I get stronger and when I feel ready, I will tell my story in more depth, and plan to take this on strongly so I can not only raise awareness, but expand research for others who suffer as I do, so I can help make a difference. I use the word ‘suffer’ not for pity, or attention, and have been disappointed to see people online suggest that I’m being dramatic, making this up, or playing the victim to get out of touring. If you knew me, you would know this couldn’t be further from the truth.

“I’m a fighter,” Gaga continued. “I use the word suffer not only because trauma and chronic pain have changed my life, but because they are keeping me from living a normal life.”

Lady Gaga finished her message by saying she was looking forward to touring again soon, adding, “I love you so much.” People reports that a statement on Live Nation confirms the cancelation, which means the end of concerts planned from late September through October.