Assertion: breast cancer's stage | /r/HasAspect | two categories
Facets:
Source sentences:
text: This stage has two categories, 2A and 2B, based on how large the tumor is and whether or not it has spread to nearby lymph nodes.
text: This stage also has two categories, 1A and 1B, based on whether there is any evidence of small clusters of breast cancer cells in nearby lymph nodes.