<s>[INST] My left side is swollen, lumpy, and numb just above my waist. Sharp pain on my left side when I lay on my right side. Back is very sore across my waist. This has been getting worse for about three days. No injuries or stressful activities preceding this. [/INST] Hello,Welcome to the magical world of health care, I went through your query, and feel numbness and swelling in the area you are telling usually in the abdomen, and a USG is usually done to see any abdominal pathology. consulting a General surgeon will help I hope my advice would have been useful, in decision making regarding your treatment, still if you have any clarifications or doubts feel free to contact back.I hope a 5 star rating if you feel guided in your treatment,Thanks </s>