I went to the hospital ER yesterday because I was having pain in my left rib cage, front side and back at times. I did observe some shortness of breath that kind of came and went moreso than usual. The only thing they found on my CT was the bibasalar subsegmental atelectasis and they said it was not anything life threatening. I had covid a little over 1 year ago and have had increased palpitations and this is pain in my ribs is terrible. It is really painful. I am following up with my PCP. Hopefully it goes away on its own. One other thing I read somewhere is that things that make you more susceptible to this or that can cause it are weight gain if extra weight is pushing up on your ribs and causing you not to fully inflate your lungs. I've gained alot of weight recently so I'm wondering if this is part of my problem. I do feel very uncomfortable working at the computer now all day so just wondering if this has been a factor for me. wanted to pass on what I knew and say that YES I too had this diagnosis.