Tā tiānshēng tùchún, jīngguò shǒushù hòu yǐ jīběn huīfù zhèngcháng.
He was born with a cleft lip, which has been largely corrected through surgery.
Tips
memory
兔 (rabbit) + 唇 (lip) - rabbits have a characteristic split upper lip, which is exactly what a cleft lip resembles. The visual metaphor makes this easy to remember.