The Many Faces of PD: Should We Consider Progression in a More Nuanced Way? Historically, cancer treatments have been graded in large part by the “response rate” they produce, the reflection of the proportion of patients whose cancers demonstrate significant tumor shrinkage on imaging scans. While stable disease, which at least reflects no disease growth, is considered a reasonable, relative victory compared to evidence of the cancer growing, we consider a treatment as failing when the cancer grows. At the same time, in patients who are being monitored off of therapy, evidence… Read More