Splenosis is a rare condition described as the implantation of ectopic splenic tissue. usually after a splenic rupture. Thoracic splenosis refers to acquired ectopic splenic tissue found within the thoracic cavity. often caused by thoracoabdominal trauma or surgery. https://www.roneverhart.com/Grace-Design-M801-MK2-High-Fidelity-p15168/