Photo of an Instagram post by Rikako Ikee shows the Japanese swimming star two years ago along with a message to her followers on the second anniversary of her leukemia diagnosis, saying, "I've really done my best so far," on Feb. 8, 2021. (Kyodo)

TOKYO - Japanese swimming star Rikako Ikee marked the second anniversary of her leukemia diagnosis Monday with an upbeat message on social media.