Percent Change From Baseline in Sum of Longest Diameter

**Semantic type:** Quantitative Concept

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

**Synonyms:** - PCBSLD - Percent Change Baseline Sum Longest Diam - Percent Change Baseline Sum Longest Diam