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.
For example, click the Logical & Reference button, and then click COUNTIF. Excel inserts the function you selected into the formula bar with a set of parenthesis, and opens the Function Arguments dialog box.1  Type a function as an argument to create a nested function, or a regular argument.or example, click the Logical & Reference button, and then click COUNTIF. Excel inserts the function you selected into the formula bar with a set of parenthesis, and opens the Function Arguments dialog box.