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OA 15 - Diagnostic Radiology, Staging and Screening for Lung Cancer II (ID 684)
- Event: WCLC 2017
- Type: Oral
- Track: Radiology/Staging/Screening
- Presentations: 1
OA 15.04 - Community-Based Lung Cancer Screening, Targeting High-Risk Ever Smokers in Deprived Areas of Manchester: an NHS Implementation Project. (ID 7525)
14:30 - 16:15 | Author(s): A. Threlfall
Lung cancer (LC) is the commonest cause of cancer-related death in the world. Screening with low-dose computer tomography (LDCT) had been shown to reduce LC specific and all-cause mortality. Benefit is greatest in those at highest risk, such as current smokers from areas of high socio-economic deprivation, yet participation in these ‘hard-to-reach’ populations remains a challenge and must be improved if we are to succeed with screening. The aim of this NHS implementation project was to assess LC screening within the community in deprived areas.
Ever smokers, aged 55-74, registered at 14 participating general practitioner (GP) practices in deprived areas of Manchester were invited to attend and have a free ‘Lung Health Check’ (LHC) in a mobile unit located at their local shopping centres. Lung cancer risk score (PLCO~M2012~), respiratory symptoms and spirometry were assessed as part of the LHC with results communicated back to the GPs. Those at high risk of LC, i.e. 6-year lung cancer risk ≥1.51%, were offered immediate LDCT in a co-located mobile CT scanner. These were all reported by thoracic radiologists with an interest in pulmonary oncology. Specifically designed nodule algorithms were followed in the reporting.
The maximum available capacity of the project was filled within days of going live. 2,541 individuals attended for a LHC and consented to data analysis. The mean age was 64.1±5.5, 51.0% (n=1,296) were female, 35.1% (n=891) were current smokers and 74.5% (n=1,893) ranked in lowest deprivation quintile. Of these 56.2% (n=1,429) qualified for a LDCT scan (PLCO~M2012~ risk score ≥1.51%). 46 lung cancers were detected in 42 individuals, a prevalence of 3.0%, of which 80% (n=37/46) were early stage (I+II). A treatment with curative intent was offered to 89.1% (n=41/46) of screen detected cancers and the surgical resection rate was 65.2%, which is almost fourfold the UK national average (16.8%).
Taking lung cancer screening into the community can identify and target those at most risk, using the PLCO~m2012~ model, resulting in a significant stage shift in screen detected lung cancers in deprived populations.
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