Mammography (and radiology?) is still plagued with poor quality in photographic processing and darkroom fog.
Gray
J E
JE
D005260:Female; D006801:Humans; D008327:Mammography / Q000592:standards*; D010781:Photography / Q000592:standards; D011835:Radiation Protection; D013679:Technology, Radiologic / Q000592:standards*; D014962:X-Ray Film / Q000592:standards