Invasive breast cancers also known as infiltrating breast cancer are those that invade the surrounding tissues that support the lobules and ducts of your breast by breaking free of where they originate. The cancer cells have this bad peculiarity to travel to other parts of your body such as the lymph nodes. Like in situ breast cancer, invasive breast cancer is also classified into the following two types.
- Invasive Ductal Carcinoma
- Invasive Lobular Carcinoma
Invasive Ductal Carcinoma or IDC:
This type of invasive breast cancer accounts for the majority of invasive breast cancers. If you are a victim of IDC, cancer cells produce in the lining of your milk duct, break free of the ductal wall and invade surrounding breast tissue. The cancer cells can be carried by your lymphatic system or bloodstream and metastasize or spread even farther throughout your body. They can remain localized as well in other cases.
Invasive Lobular Carcinoma or ILC:
Although this type of breast cancer operates in a similar manner as IDC, ILC is a less common type of breast cancer as compared to the previous. ILC invades the surrounding breast tissue after starting in the milk-producing lobule and can spread to more distant parts of your body. Although you might not be able to detect a breast lump with ILC, a general thickening may be perceived or a sensation that your breast tissue feels different. The dilemma with invasive lobular carcinoma is that it can be harder to detect by touch and it is also less to be expected on a mammogram.
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