More radiologists needed for improved cancer diagnosis, says royal collegeBMJ 2016; 353 doi: https://doi.org/10.1136/bmj.i2718 (Published 12 May 2016) Cite this as: BMJ 2016;353:i2718
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False positive breast cancer results after 10 years of mammography screening range from 33%-50% of women. 
All consequent anxiety, depression, suicides, attempted suicides, risky behaviours, injuries, biopsies, mastectomies, irradiation, chemotherapies, lymphadenectomies, morbidity, mortality should be considered as iatrogenic, and calculated in National medical error statistics.
Thus, from only a small part of my Specialist field, up to 50% of the population of women can be jeopardized by medical errors.
Even attempting to obtain combinations of first and second opinion on breast cancer pathology slides from expert pathologists with a high volume of diagnostic work, results in mistakes in 10.9% to 18.0% of patients. 
Trained laboratory pigeons are reported to produce excellent cancer detection rates when confronted with biopsy slides or microcalcifications in mammograms. 
Pigeons learn fast, in only 15 days, and manage to efficiently diagnose cancers, with accuracy levels increased to 99%.
Evidence shows pigeons outperform medical doctors in these tasks. 
Competing interests: No competing interests