My Dad had PET scan Feb. 9th showing only cancer in the upper left lobe, which he had removed March 20th. May 12th he had another PET scan due to abdominal pain on the right side, PET scan says "inumerable lesions on the liver"...they told Dad 6-9 months to live, if he does chemo. Both oncologist and surgeon who removed his lobe were shocked at how this had spread, when it was only in one lymph node inside the lobe they removed. He has had one round of chemo, pain just keeps getting worse, even while on heavy doses of oxycodone. Doctors now want to do liver biopsy to see exactly what kind of cancer this is in the liver. I see there are many other types of lesions that can be found on a liver that sometimes "light up" on PET scans...anybody have this happen to them?