What are advantages and indications for diagnostic lap?

Advantage of Diag.Lap. Less morbidity than open Recovery more rapid Time to palliative CMTx / radiation , more rapid Less psychologic effect Indication suggestive for Diag. Lap. Tumor >4cm Tumor at body or tail Equivocal finding of Metas or ascites on CT scan Marked wt loss Marked Elevated CA19-9 (>1,000 u/ml)