patellar chondromalacia

例句：

1. 1. He developed patellar chondromalacia due to overuse of his knee.
   由于过度使用他的膝盖，他发展了髌骨软骨软化症。
2. 2. The patient was diagnosed with patellar chondromalacia and required surgery.
   患者被诊断出患有髌骨软骨软化症，需要手术治疗。
3. 3. Patellar chondromalacia can lead to significant pain and discomfort in the affected joint.
   髌骨软骨软化症会导致受影响的关节产生严重的疼痛和不适。