Percent Change From Nadir in Sum of Longest Diameter

**Semantic type:** Quantitative Concept

**Definition:** The most recently recorded sum of longest diameters minus the lowest sum of longest diameters previously recorded divided by the lowest sum of longest diameters previously recorded, multiplied by 100.

**Synonyms:** - PCNSLD - Percent Change Nadir in Sum Longest Diam - Percent Change Nadir in Sum Longest Diam