left rib cage uncomfortable but not painful

my left rib doesn’t feel the same as my right rib. it feels heavy and out of place, especially towards the lower ribs, when i touch them they feel swollen. I am bloated and don’t really have an appetite. i’ve lost 6 pounds. when i turn my body to the right side or i’m laying on my stomach, they feel better. i’ve been icing the area and it feels a little better. i don’t have any pain, it’s just an uncomfortable heavy feeling. i’m not sure what’s wrong?