Background: Alveolar proteinosis is mainly autoimmune disease in which lipoproteins accumulate inside alveoli.In severe cases it presents with dyspnea, tachypnea and cough.Lung lavage is the treatment of choice in symptomatic cases.Objective: The aim of this study was to illustrate two different techniques of management of pulmonary alveolar proteinosis (PAP) whether unilateral or bilateral whole ...