Imaging Case of the Week 184

This is a case of an 18 year old with asthma exacerbation. Two radiological signs, one on the frontal x-ray and the other on the lateral chest x-ray, can be observed; which are these?Frontal chest x-raylateral chest x-ray

Answer will be posted on 23/12/2015.

Wishing everyone a Merry Christmas and a Happy New Year!