Assertion: cancer's cell | /r/HasProperty | cell
Facets:
Source sentences:
text: Benign tumours arising from epithelial cells (cells that form sheets that line the skin and internal organs) are classified in a number of ways and thus have a variety of names.
text: Transitional cells are cells that can stretch as an organ expands.
text: The epidermis contains the basal cells, squamous cells, and melanocytes (cells that produce a pigment called melanin which gives the skin its color), the cells most commonly affected by skin cancer.