Right tube Dilated -what does that mean

T
Hey ladies!
So I did my HSG test and the doc called and said "your right tube looks slightly dilated/possibly damaged" please come in to go over it. 
I'm trying not to google what that means - but sisters...what does that mean? We were going to try IUI next month after these results but not sure now if it's an option. 
Can Anyone relate? What causes this and what does this mean as far as concieving one day? 

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