In child, foreign body in lung
The children are treated by removal of foreign body through a rigid bronchoscope.Bronchoscopy should be undeaken if the clinical and radiological picture suggests the diagnosis even when the history of foreign body aspiration is not fohcoming. Ref : Essential Paediatrics,O.P.Ghai,7th edition,Pg No:368
Rigid bronchoscopy
Chest x-ray
Flexible endoscopy
Direct laryngoscopy
Respiratory system