Hi, @cats0cats2 - I thought you might be interested in posting in a discussion about carcinoid lung tumors to see if anyone there has experience with a connection to thoracic polyneuropathy.

- Typical Carcinoid Tumor in Lungs
https://connect.mayoclinic.org/discussion/typical-carcinoid-tumor-in-lungs/
Wondering if you've been diagnosed with a carcinoid lung tumor and a bone island in your lumbar area? If so, what treatment will you or have you undergone for this?