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.
Excel Left, Mid and Right Functions. The Excel Left function returns a specified number of characters from the left (the beginning) of a supplied text string. In the example below, the Left function returns the first two characters of the string test string: =LEFT( test string, 2 ) returns the text string te. The Excel Mid function returns a specified number of characters from the middle of a supplied text string, beginning at a specified character.