Photon scatter from asymmetric bladder activity.
D000368:Aged; D005260:Female; D006801:Humans; D008875:Middle Aged; D011877:Radionuclide Imaging; D013669:Technetium Tc 99m Medronate; D001743:Urinary Bladder / Q000000981:diagnostic imaging*
D013669:Technetium Tc 99m Medronate