I understand your concern and while it is true that the lower radiation exposure the better even 9 xrays during this short period is low risk to you ...Some radiolgy pictures such as a heart Cath requires fluoroscopy for example which is periods of continuous xray ( short films rather than a snap shot )
So your 9 snapshots are far less radiation than fluoroscopy by comparison...
True we would prefer to have fewer views and less radiation exposure ..At times with question of a irregular breast mammogram there may be a series of varied views and compression views
Your experience is not one of you being in high danger >> no to that
It is possible to see potential need but true most such questions are resolved with fewer than 9 images -- I agree with that point as well ...
I hope that this information is helpful for you
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Thank you and Best Regards,
Anthony Bray MD