Malignant Tumors. A malignant tumor is a group of diseased cells defined by one of three characteristics: uncontrolled growth, invasion and damage of healthy cells, or metastasizing (spreading) to other organs of the body.They differ from benign tumors, which do not spread or affect other areas of the body. malignant tumor is a group of diseased cells defined by one of three characteristics: uncontrolled growth, invasion and damage of healthy cells, or metastasizing (spreading) to other organs of the body.
Excel Replace Function. The Excel Replace function is similar to the Excel Substitute Function. The Substitute function replaces one or more instances of a given text string. Basic Description. The Excel Replace function replaces all or part of a text string with another string.
When you click OK after selecting the function that you want to use in the current cell, Excel inserts the function name followed by a closed set of parentheses on the Formula bar. At the same time, the program closes the Insert Function dialog box and then opens the Function Arguments dialog box.