polypoid cancer

例句：

1. 1. This typeof cancer is particularly common in people over the age of 50.
   这种癌症特别常见于50岁以上的人。
2. 2.The polypoid cancer was successfully treated with surgery and radiation therapy.
   这种多形性癌通过手术和放疗成功地治疗了。
3. 3.Polypoid cancer can be difficult to detect because it often presents as a slow-growing lump.
   多形性癌很难被检测到，因为它通常表现为缓慢生长的肿块。