361. Mast cell positivity to tryptase correlates with metastatic lymph nodes in gastric cancer patients underwent to surgery. Issue 9 (September 2016) - Ammendola, M.; De Luca, R.; Squicciarino, A.; Vescio, G.; Ruggieri, E.; Caliandro, C.; Lomonaco, R.; Simone, M.; Sammarco, G.; Gadaleta, C.D.; Sacco, R.; Girolamo, R.