Read the following context and choose the best option to answer the question.
Context: I have a Chiari Malformation at 5 mm length ( as of late 2006 ) , which then did n't seem to be restricting any flows . Some history : I have been in 12 auto accidents , 3 were totals . I have had 2 small motorcycle accidents .
Question: How might have I discovered that I have a Chiari malformation ?
Options: 
- The mechanics might have discovered it while fixing the car .
 - None of the above choices .
 - The doctors might have discovered it while treating me for my accidents .
 - The doctors might have discovered it while treating me for it .


The doctors might have discovered it while treating me for my accidents .