right lower lobe pneumonia

[Dev.]

[b]A 3y child presents with recurrent right lower lobe pneumonia. His growth parameters are at the 25th percentile, and he is developmentally appropriate for his age. His past medical history is positive for an ear infection at 18months of age and gastroenteritis at 2y of age. Which of the following conditions is most likely responsible for this pt’s disease? [/b]

a. Primary B and T cell immunodeficiency disorder
b. Cystic fibroiss
c. Chediak-Hiagashi syndrome
d. Congenital lung abnormality
e. Foreign body aspiration

Foreign Body