What is the most common histologic type of breast cancer?

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Multiple Choice

What is the most common histologic type of breast cancer?

Explanation:
The main idea is that most breast cancers start in the ducts and then invade surrounding tissue. This makes invasive ductal carcinoma the most common histologic type. It accounts for the majority of breast cancer cases. Other histologies exist but are less common: lobular carcinoma arises from the lobules, ductal carcinoma in situ is noninvasive (pre-invasive), and medullary carcinoma is rare. So, the best answer is invasive ductal carcinoma, because it represents the predominant histologic pattern seen in breast cancer.

The main idea is that most breast cancers start in the ducts and then invade surrounding tissue. This makes invasive ductal carcinoma the most common histologic type. It accounts for the majority of breast cancer cases. Other histologies exist but are less common: lobular carcinoma arises from the lobules, ductal carcinoma in situ is noninvasive (pre-invasive), and medullary carcinoma is rare. So, the best answer is invasive ductal carcinoma, because it represents the predominant histologic pattern seen in breast cancer.

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