Newborn with APGAR score of 2 at 1 min. & 6 at 5 min. has respiratory distress & mediastinal shift diagnosis is –
Causes of respiratory distress with mediastinal shift in neonates -

Diaphragmatic hernia                
Congenital mediastinal mass
Congenital cystic adenomatoid malformation
Congenital lobar emphysema
Pneumothorax
Congenital adenomatoid lung disease
Pneumothorax
Diaphragmatic hernia
All of these