What are the damages caused to the lung affected by radiation?

I have performed haematoxylin and Eosin staining of mouse lungs damaged by radiation. but I still do not know how to study my result. can someone help me with some pics or with some information regrading pulmonary histology?

mejxu2011-06-12T14:05:28Z

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Radiation effects on the respiratory system > http://bjr.birjournals.org/cgi/reprint/Supplement_27/1/75.pdf