Pele has remained in hospital due to a urinary tract infection as he continues to receive chemotherapy treatment for a tumour on his colon.
The 81-year-old Brazil legend was admitted for a session on his tumour on February 13 and has been kept in due to the urinary infection.
While his condition remains stable, he is also said to be “struggling to eat or sleep”.
He has been left weakened after receiving an endoscopy last Wednesday – a procedure used in medicine to look inside the body.
A medical report obtained by ESPN read: “Edson Arantes do Nascimento [Pele] was admitted to Hospital Israelita Albert Einstein on the 13th to continue the treatment of the colon tumor, identified in September 2021.
“During his stay, routine exams were performed, which indicated the presence of a urinary infection, a fact which extended the patient’s stay in the hospital.
Pele has three tumours which are requiring medical attention – located in his intestine, liver, and lung.
He is expected to be discharged in the next few days, but a date has not yet been set.
Football fans around the world feared for Pele’s health back in December when he suffered a major health scare.
Nicknamed the “King”, Pele won three World Cups with Brazil between 1958 and 1970.
He scored a remarkable 77 goals in 92 games for the national team – a record he still holds to this day.
The South American superstar also racked up 643 goals in 659 appearances for club side Santos across his 18-year spell.