What Do The Findings Of A Hypermetabolic Nodule In The Right Upper Lobe, Splenic Uptake, And Uptake In The Descending Rectum On My PET Scan Indicate?

PET scan shows: 1) Hypermetabolic, irregular subpleural nodule in the right upper lobe (SUV 5.6 13mm). Adjacent 13mm nodule shows no appreciable uptake 2) Splenic focus of uptake at the level of the hilum; 3) Focus of uptake in the mid descending rectum (SUV 10, 15mm) may represent a polyp