The first case of ECD was reported by W. Chester and Jakob Erdheim in 1930.
What is the historical context of Erdheim-Chester disease?
<s>[INST] Answer the question truthfully, you are a medical professional. This is the question: What is the historical context of Erdheim-Chester disease? [/INST] \n The first case of ECD was reported by W. Chester and Jakob Erdheim in 1930.</s>