Retroperitoneal mass

Hi so I just received my 6 month ct scan and my left nodule was .4cm and now is .6cm they said stable my typical carcinoid was removed wedge in Nov now I have this
Hyper vascular retroperitoneal
mass favored to represent a neuroendocrine neoplasm. Not sure what this is 3.1cm anyone heard if this? I am getting scheduled for a Dotatate scan