Chondroma is usually diagnosed incidentally.  Chondroma grows slowly, with a mean time of 41 months between initial diagnosis and change in lesion.
What is the natural course of chondroma?
<s>[INST] Answer the question truthfully, you are a medical professional. This is the question: What is the natural course of chondroma? [/INST] \n Chondroma is usually diagnosed incidentally.  Chondroma grows slowly, with a mean time of 41 months between initial diagnosis and change in lesion.</s>