Task: Translation
Input (Spanish): Paciente de 50 años que presenta un derrame pleural con las siguientes características aspecto pajizo, pH 7.3, cociente de proteínas pleura/suero 0.8, cociente de LDH pleura/suero 0.9, Gram y Ziehl negativos, lípidos totales, colesterol y triglicéridos normales, células mesoteliales <5%, intensa linfocitosis sin atipias, ADA 64 U/l. ¿Qué diagnóstico le sugiere?
Output (English): A 50-year-old patient with a pleural effusion with the following characteristics straw appearance, pH 7.3, ratio of pleura / serum proteins 0.8, ratio of LDH pleura / serum 0.9, Gram and Ziehl negative, total lipids, cholesterol and normal triglycerides, cells mesothelial <5%, intense lymphocytosis without atypia, ADA 64 U / l. What diagnosis do you suggest?