Answer: black (graphite), transparent (diamond)
Explanation:
Gastrointestinal stromal tumor (GIST)
Stomach cancer can also be refers to as
gastric cancer, thus, stomach cancer develop from the inner lining of the
stomach. However, tumor produced by the gastric cancer is known as
gastrointestinal stromal tumor (GIST). Some of these tumor are non-cancerous while
other are cancerous and they can be found anywhere in the digestive tract.