melanotic cancer

例句：

1. 1. Melanoticcancer is a rare form of skin cancerthat often develops in people with darkskin.
   黑色素瘤是一种罕见的皮肤癌，通常在肤色较深的人中发生。
2. 2.The patient was diagnosed with melanoticcancer and underwent surgery to remove the tumor.
   患者被诊断出患有黑色素瘤，并接受了手术以切除肿瘤。
3. 3. Early detectionand treatment of melanotic cancer cansignificantly improve survival rates.
   早期发现和治疗黑色素瘤可以显著提高生存率。