New Delhi, Dec. 12 -- Former NBA player Jason Collins, who broke barriers as the first openly gay man to compete in a major US professional sports league, revealed Thursday that he is fighting "one of the deadliest forms of brain cancer". During an interview with ESPN's Ramona Shelburne, he disclosed that he has stage 4 glioblastoma.

Collins had previously shared in September that he was being treated for a brain tumor, according to AFP.

The 47-year-old said the disease appeared suddenly, describing initial issues with memory and concentration that became severe in August. He stated, "It came on incredibly fast."

He noted that although he had been experiencing unusual symptoms for a week or two, he kept pushing forward because, as he p...