<s>[INST] from last few weeks i m observing that the down side of back bone near hips ,there is a little dimple like hole, & when i use a tissue in that place there observed some liquid like bloos & radish clour, i cant determine what is that, but i feel no pain on that locaton , may you told please what is this hapening with me,? a confused 1, [/INST] Hello, Such presentation in my routine OLD incline my doubt towards presence of sinus (Colonial sinus). Although this is not an emergency, but a doctor consultation is must. In early stage general measures like:- Keeping that area clean- If it is infected then, it has to be Chat Doctor.  In that case it may become painful. Hope I have answered your question. Let me know if I can assist you further.  </s>