Primary plasma cell leukemia presenting as secondary pulmonary alveolar proteinosis. Issue 9 (28th July 2020) - Papanota, Aristea-Maria; Ntanasis-Stathopoulos, Ioannis; Liakea, Aliki; Kastritis, Efstathios; Terpos, Evangelos; Dimopoulos, Meletios-Athanasios; Gavriatopoulou, Maria