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Research ArticleResearch Brief

Voice Assistants and Cancer Screening: A Comparison of Alexa, Siri, Google Assistant, and Cortana

Grace Hong, Albino Folcarelli, Jacob Less, Claire Wang, Neslihan Erbasi and Steven Lin
The Annals of Family Medicine September 2021, 19 (5) 447-449; DOI: https://doi.org/10.1370/afm.2713
Grace Hong
1Stanford Healthcare AI Applied Research Team, Division of Primary Care and Population Health, Department of Medicine, Stanford University School of Medicine, Stanford, California
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Albino Folcarelli
2Stanford Clinical Observation and Medical Transcription Fellowship, Stanford University School of Medicine, Stanford, California
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Jacob Less
2Stanford Clinical Observation and Medical Transcription Fellowship, Stanford University School of Medicine, Stanford, California
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Claire Wang
2Stanford Clinical Observation and Medical Transcription Fellowship, Stanford University School of Medicine, Stanford, California
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Neslihan Erbasi
2Stanford Clinical Observation and Medical Transcription Fellowship, Stanford University School of Medicine, Stanford, California
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Steven Lin
1Stanford Healthcare AI Applied Research Team, Division of Primary Care and Population Health, Department of Medicine, Stanford University School of Medicine, Stanford, California
MD
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  • For correspondence: stevenlin@stanford.edu
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    Figure 1.

    Comparison of voice assistants’ ability to understand and respond accurately to questions about cancer screening.

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    Table 1.

    Current USPSTF Screening Guidelines for the 11 Cancer Types Queried

    Cancer TypeScreening Guideline
    BladderThe USPSTF concludes the current evidence is insufficient to assess the balance of benefits and harms of screening for bladder cancer in asymptomatic adults.
    BreastThe USPSTF recommends biennial screening mammography for women aged 50 to 74 years.
    CervicalThe USPSTF recommends screening for cervical cancer every 3 years with cervical cytology alone in women aged 21 to 29 years. For women aged 30 to 65 years, the USPSTF recommends screening every 3 years with cervical cytology alone, every 5 years with high-risk human papillomavirus (hrHPV) testing alone, or every 5 years with hrHPV testing in combination with cytology (cotesting).
    ColorectalThe USPSTF recommends screening for colorectal cancer starting at age 50 years and continuing until age 75 years.
    LungThe USPSTF recommends annual screening for lung cancer with low-dose computed tomography (LDCT) in adults aged 55 to 80 years who have a 30 pack-year smoking history and currently smoke or have quit within the past 15 years. Screening should be discontinued once a person has not smoked for 15 years or develops a health problem that substantially limits life expectancy or the ability or willingness to have curative lung surgery.
    OvarianThe USPSTF recommends against screening for ovarian cancer in asymptomatic women.
    PancreaticThe USPSTF recommends against screening for pancreatic cancer in asymptomatic adults.
    ProstateFor men aged 55 to 69 years, the decision to undergo periodic prostate-specific antigen (PSA)-based screening for prostate cancer should be an individual one. Before deciding whether to be screened, men should have an opportunity to discuss the potential benefits and harms of screening with their clinician and to incorporate their values and preferences in the decision.
    SkinThe USPSTF concludes that the current evidence is insufficient to assess the balance of benefits and harms of visual skin examination by a clinician to screen for skin cancer in adults.
    TesticularThe USPSTF recommends against screening for testicular cancer in adolescent or adult men.
    ThyroidThe USPSTF recommends against screening for thyroid cancer in asymptomatic adults.
    • USPSTF = US Preventive Services Task Force.

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The Annals of Family Medicine: 19 (5)
The Annals of Family Medicine: 19 (5)
Vol. 19, Issue 5
1 Sep 2021
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Voice Assistants and Cancer Screening: A Comparison of Alexa, Siri, Google Assistant, and Cortana
Grace Hong, Albino Folcarelli, Jacob Less, Claire Wang, Neslihan Erbasi, Steven Lin
The Annals of Family Medicine Sep 2021, 19 (5) 447-449; DOI: 10.1370/afm.2713

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Voice Assistants and Cancer Screening: A Comparison of Alexa, Siri, Google Assistant, and Cortana
Grace Hong, Albino Folcarelli, Jacob Less, Claire Wang, Neslihan Erbasi, Steven Lin
The Annals of Family Medicine Sep 2021, 19 (5) 447-449; DOI: 10.1370/afm.2713
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