History. 1  1982 - Company is formed under the name Omega Research, Inc. 2  1989 - System Writer, a trading strategy software application, is launched. 3  1991 - TradeStation, the company's flagship product, is launched. 4  1992 - SuperCharts, a charting and analytics software application, is launched.
The main difference between cancer cells and normal tissue stem cells is that cancer cells are abnormal and present mutations.
1 Large cell. 2  The cell is larger than are normal cells. 3  Examples include lung cancer and lymphoma. 4  Small cell. 5  The cell is smaller than are normal cells. 6  An example is small cell lung cancer, which is an aggressive cancer that often spreads to other parts of your body (metastasizes). 7  Squamous cell.