I have had lower abdomen/groin pain on my left side for 7 weeks. The pain is constant. The pain also goes down into the upper part of my thigh part of the time. My lower back/buttock also hurts on left side. Have had pelvic ultrasound done .... shows nothing. Abdomen ultrasound - nothing. CT shows very small lesion on liver. But, lower abdomen pain wouldn t be from anything with my liver would it? I m getting an MRI in a few days. Dr told me that back pain could send nerve pain and abdomen/thigh pain could be from that. I had back surgery 10 years ago on low back ... have degenerative discs and arthritis. Your thoughts on my groin pain?? Thank you!