Error barr shows the correlations between COX-2 expression in normal and vascular areas of IPF compared with control group PS-01-026 Multiplex Ligation Probe-dependent Amplification (MLPA) as an ancillary method for the diagnosis of malignant pleural effusion E. Parra * , D. Rosolen, L. Kulikowski, R. Dutra, V. l. Capelozzi, F. Vargas, M. Acencio, L. Antonangelo * FMUSP, Dept. of Pathology, São Paulo, Brazil