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M. Wojtyś
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MA 14 - Diagnostic Radiology, Staging and Screening for Lung Cancer I (ID 672)
- Event: WCLC 2017
- Type: Mini Oral
- Track: Radiology/Staging/Screening
- Presentations: 1
- Moderators:H. Kondo, Hong Kwan Kim
- Coordinates: 10/17/2017, 15:45 - 17:30, F205 + F206 (Annex Hall)
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MA 14.01 - Influence of Early Lung Cancer Screening Programme on Treated Patients' Profile and Activity of Thoracic Surgery Department (ID 8063)
15:45 - 15:50 | Author(s): M. Wojtyś
- Abstract
- Presentation
Background:
The objective of the study was to compare the program of early detection of lung cancer by low-dose computed tomography scan with other groups of lung cancer patients who live in the area where such a program is carried out. The study was based on the materials of one thoracic surgery clinic and the screening was carried out on the inhabitants of one district city. The objective of the study was implemented by analyzing selected factors that impact the activities of surgery ward. The study was retrospective.
Method:
The patients were divided into three groups. Group 1a - 52 patients operated due to primary lung cancer which were detected during the screening. Group 1b - 87 patients operated for primary lung cancer during the screening, but who did not participate in the screening program. Group 2 - 103 patients operated before the commencement of the screening. The analysis involved among others the factors described in the table below. For the statistics we utilised Statistica PL 2010 program. Non parametric Mann-Whitney U-test was used for not normally distributed data. Parametric t-Student test was used for normally distributed data and p<0.05 was considered significant.
Result:Significant differences among the groups
Group Group Group Statistics Statistics unit 1a 1b 2 p 1a/1b p 1a/2 Patiens n 52 87 103 - - Adenocarcinoma % 58 34 38 0.01 0.03 G2 grading % 44 28 24 0.03 0.02 Tumour volume cm[3] 8 21 20 0.004 0.01 T1 factor % 54 28 34 0.004 0.02 IA stage % 50 24 32 0.003 0.02 Right side % 73 63 59 ns 0.05 Lobectomy % 75 53 56 0.02 0.04 Operation time min 129 114 112 0.02 0.007
Conclusion:
In the screening 1a group adenocarcinoma was detected more frequently, as a smaller tumour, at an earlier stage, with the prevalent G2 factor and located mainly on the right side. In the group 1a lobectomy was performed more frequently, than the other groups. The duration of surgery of 1a group was longer than the other groups due to more often intraoperative assessment use. There were no differences according to postoperative complications and deaths among all groups. Our screening program detectes lung cancer at earlier stage and offers faster definitive surgical treatment, probably improving 5 year survival, what is being evaluated now.
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