carcinoma in situ of endometrium

例句：

1. 1. The patient's condition has worsened significantly since the surgery.
   手术后，患者的病情有显著恶化。
2. 2. This is a rare form of cancer that often affects women during their reproductive years.
   这是一种罕见的癌症形式，通常在女性生育年龄时发生。
3. 3. Early detection and treatment are crucial for preventing this type of cancer from progressing to more advanced stages.
   早期发现和治疗对于防止这种癌症从早期进展到更晚期至关重要。