https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7927460/

This patient received a splenectormy 48 years priror to this ^99mTcDRBC scan.  He underwent a CT scan prior to the NMT procedure for having a persistent cough.  CT discovered solid nodule in the left lung base.  Remanet spleen/splenosis was identified.