Ductal obstruction is the main cause of sewer explosion.

管道阻塞是导致下水道爆炸的主要原因。

Invasive ductal carcinoma is the most common type of breast cancer.

浸润性导管癌是最常见的乳腺癌类型。

The doctor found that the patient had a serious ductal injury.

医生发现病人有严重的导管损伤。

This is infiltrating ductal carcinoma of breast.

乳腺浸润性导管癌。

Figure 11. Normal confluence of the ductal and aortic arches.

图11。正常动脉导管和主动脉弓汇合切面。

Both intraductal and infiltrating ductal carcinoma are seen here.

同时看到导管内癌与浸润性导管癌。

The irregular mass lesion seen here is an infiltrating ductal carcinoma of breast.

不规则块状病变是乳腺浸润性导管癌。

Atypical ductal hyperplasia is abnormal cells that grow in the milk ducts of the breast.

非典型腺管增生是一种生长在乳导管里的不正常细胞。