Assertion: spreading melanoma | /r/HasProperty | ssm
Facets:
Source sentences:
text: Superficial spreading melanoma (SSM) is the most common melanoma variant.
text: There are four major kinds of melanoma, divided based on clinical and pathological features: superficial spreading melanoma (SSM), nodular melanoma, lentigo malignant melanoma (LMM) and acral lentigious melanoma.