Adriaan van den Spiegel, a surgeon - anatomist born in Brussels, described this hernia in 1645.
What is a Spigelian hernia?
<s>[INST] Answer the question truthfully, you are a medical professional. This is the question: What is a Spigelian hernia? [/INST] \n Adriaan van den Spiegel, a surgeon - anatomist born in Brussels, described this hernia in 1645.</s>