Read the following context and choose the best option to answer the question.
Context: About a week ago , I woke up with a sharp stabbing pain in the left of my back when I inhaled deeply . It caused me pain to lie down and turn in the night . It 's now been a week and there 's still the same pain , in the same place when I inhale deeply . Anyone have any ideas what this could be ? ?
Question: What may be the reason for the post ?
Options: 
- To describe medical information
 - To describe a surgery
 - to describe a recovery
 - To describe a perscription


To describe medical information