Although Harley is not a Tripawd and most likely never will be, I do want to put his medical history (so to speak) out there because I know how helpful it was for me to follow the progress and updates in the forums and blogs.

Harley had been scheduled for an amp (5/29) for a recurring infiltrative lipoma only to have the surgery canceled because two masses were found in his chest cavity.  We followed up with a visit to his regular vet on 6/2 who patiently went over all this again with me and yesterday we went for a consult with an oncologist and I am copying in a part of her report.

RADIOGRAPHIC EVALUATION:

VD and lateral views of the thorax are available

The cardiac silhouette and pulmonary vessels are normal. There is a large soft tissue mass in the right caudal ventral lung lobe. There is an additional smaller mass like area with a possible central area of gas in the caudal subsegment of the left cranial lobe. There is a mild diffuse bronchial infiltrate.

Diagnostic impressions:

Two pulmonary mass like areas as described. These may represent metastatic disease (from the infiltrative lipoma or other neoplastic process ) or could be a primary neoplasia but could also be granuloma (fungal) or abscesses. Sampling would be required to obtain a definitive diagnosis.

At times, I still don't believe this happened.  Harley had a big fat tumor, not cancer (or so we thought).  He's tired and I am tired, but I can't leave a stone unturned for this dog so I plan to have the blood test for blasto and an ultrasound to see if there is a mass elsewhere in the abdominal area that has metastasized to the lungs and a FNA of chest masses if feasible.  The oncologist is also going to request the pathologist to take another look at the slide(s) from the previous surgery to see if there is a possibility that it could have been liposarcoma. 

This group is a wealth of information so if anyone has any ideas or "what-if" scenarios please submit them.  Thanks!