Cavaco, M. J.; Fontão Alves, S.; Silva, C.; Pimentel, S.; Mateus, L.; Rôlo Silvestre, C.; Ferra, J.; Duarte, D.; Cardoso, C.; Raimundo, P.; Falcão, T. Diagnostic Performance of the Cancer Ratio in Malignant Pleural Effusion in Combination With the Light’s Criteria. Acta Med Port 2026.