In October, David Brooks revealed his Hodgkin lymphoma diagnosis.
The Bournemouth and Wales player says his cancer treatment is making good progress and that his outlook is positive.
In October, he was diagnosed with Stage 2 Hodgkin lymphoma.
He said he is at the halfway point of his treatment.
He thanked the people who contacted him after he announced the diagnosis, saying he was overwhelmed by the support.
The progress is positive and the outlook is promising.
I'm keeping in touch with everyone at Bournemouth and I'm looking forward to an exciting finish to the season for club and country.
Thank you again for your support and love.
The immune system is an important part of the cancer.
The Wales medical team's swift attention helped detect the illness when he was on international duty for their World Cup qualification.
The 21-year-old, who has been capped 21 times and made three appearances for Wales at Euro 2020, came off after 69 minutes in Bournemouth's goalless draw against Peterborough on 29 September.
