ERBB2 and cancer: An LR+ value of 1.77 (1.58–1.98) indicates that patients who achieve pCR have 1.77 times greater chances of having a HER2-enriched cancer subtype than those who do not achieve pCR, whereas an LR− value of 0.54 (0.47–0.61) indicates that patients who achieve pCR have a 1.85 times greater chance of having a non-HER2-enriched cancer subtype than those who do not achieve pCR.