Fluid & Brush Quiz 17 This 69 year-old white male was being followed because of the history of malignant lymphoma for which he had received chemotherapy and a bone marrow transplant.  He comes in because of progressive shortness of breath.  A chest x-ray reveals a left pleural effusion.  This is tapped and 1,200 cc of yellow green fluid are obtained.  Representative photos are below.  The most probable diagnosis is:

A Favor mesothelioma.

B Favor metastatic adenocarcinoma.

C Favor metastatic small cell carcinoma.

D Metastatic squamous cell carcinoma.

E Reactive mesothelial cells.