<prompt> A new born baby with acute respiratory distress on day 1. X Ray chest PA view showed neumerous gas luscencies in entire left hemithorax, most likely diagnosis isCongenital lobar EmphysemaPneumatocoel herniaCongenital diaphragmatic herniaCongenital lung cyst  <response>: C i.e. Congenital diaphragmatic hernia Left sided whole lung involvementQ points towards diagnosis of Congenital diaphragmatic hernia, Cong. cystic .adenomatoid malformation CCAM and Congenital lobar emphysema all can present with multicystic Contralateral mediastinal shift respiratory distress. 