[Dysphagia] bilateral congestion

[dysphagiadude at mailcan.com (dysphagiadude@mailcan.com)]

A patient in the nursing home where I work  began to show bilateral
chest congestion(generally thought to be inconsistent with aspiration). 
A chest x-ray concluded lungs are clear.  

Are reports of bilateral congestion also inconsistent with a report of
clear lungs?  If not, what does the chest x-ray report mean?
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