<s>[INST] Hi my nemesis XXXXX . I woke up an a week ago with a horrible bruise on my left hip that came out of no where. I was having severe abdominal pain and went to the er . They tried to tell me it was just a bruise even did a ct scan and blood work. All of that came back ol except for a very small cyst on my ovarie. Well the bruise is almost gone.but I have a medium sized knot remaining and its tender . Should I be worried ? Could it be a hernia and if so even with a ct scan could they have missed something ? [/INST] Hi and thank you so much for this query.I am so sorry to hear about this bruise and the pain you and. I will say do not get too worried about this knot. Try some pain medications for this and let's see what happens within 3-5days. If symptoms should persist or get worse, then you may consider returning to see your treating doctor,Hernia are generally diagnosed by talking to the patient and examining. a test is rarely needed. And with a CT scan done in this case, it would have be a very rare miss not to pick up a hernia if there was any. I am sure it cannot be a hernia unless it just happened suddenly which is unlikely.I hope you find this helpful. Thank you for using our services and please feel free to ask for more information if need be. I wish you the best of health.Dr. Ivo, MD. </s>