Suggest Treatment For Stuck Feeling In Ribs With Lymph Nodes

Hello I'm a young mother I'm 20 yrs old and my daughter is one I have been getting this weird feeling like something is stuck in my left rib cage and when I move a certain way I can feel it pop out ..... Also I have 3 emlarged lymph nodes in my groin area that have not gone away had them for 3 months now and there hard as a rock