Colorectal Cancer - 72-year-old male

History
A 72-year-old male s/p R hemicolectomy for colon CA. CEA increased to 12.5 in 5/99.

Original Diagnosis
CXR showed stable RUL nodule and CT of abdm showed stable aortocaval and Left common iliac adenopathy. PET ordered to r/o recurrence.

PET Findings
PET showed extensive mets to retroperitoneal lymph nodes. The R upper lung nodule is not visualized and is most likely benign in origin.

Imaging
ECAT EXACT HR+

Change in treatment plan
Patient underwent additional necessary treatment.