Assertion: breast cancer's symptom | /r/HasProperty | mass
Facets:
Source sentences:
text: The most common symptom of breast cancer is a new lump or mass.
text: The most common symptom of breast cancer for 90% of women is a new lump or mass in their breast.
text: Perhaps the most recognized symptom of breast cancer is a lump or mass in the breast tissue.
text: The most common symptom of breast cancer is a new lump or mass.