Anyone experiencing chest pain due to anemia?

I am 49 yr old polycythemia patient, diagnosed 2 years ago. I was taking hydroxyurea 500 MG daily. My iron saturation dropped to 8. My chest hurts on the right side, often wakes me up at night. Does anyone else have chest pain due to anemia? I quit taking hydroxyurea and was planning to use phlebotomy as needed to keep my hematocrit under control, but now my iron is so low, I don't think I can do phlebotomy as first line treatment. I am concerned about the chest pain and was wondering if this is just another side effect of PV I need to get used to?