Pneumonia and pleural empyema due to a mixed Lactobacillus spp. infection as a possible early esophageal carcinoma signature oleh Eleftheria Chaini, Nikolaos Chainis, Anastasios Ioannidis, Maria Magana, Chryssoula Nikolaou, Joseph Papaparaskevas, Melina-Vassiliki Liakata, Panagiotis Katopodis, Leonidas Papastavrou, George Tegos, Stylianos Chatzipanagiotou