Brazilian football legend Pele was hospitalized to undergo treatment for a colon tumour, Sao Paulo’s Hospital Albert Einstein said on Wednesday, adding that he is in stable condition and should be discharged in the next few days.

The 81-year-old three-time World Cup winner underwent surgery to remove a colon tumour in September and spent nearly a month hospitalized. The hospital said at the time that he would need to undergo chemotherapy.

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According to Wednesday’s note from the hospital, Pele is now “continuing” his treatment.

The football legend said on Twitter last month that he was “fine” and feeling better “every day.”