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In vitro Biofilm Formation in an 8-well Chamber Slide
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The 8

Wanyin Lim1, Carole A Ridge1, Andrew G Nicholson2

  • 1Department of Radiology, Royal Brompton Hospital, London, UK.

Quantitative Imaging in Medicine and Surgery
|September 14, 2018
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Summary
This summary is machine-generated.

The 8th edition TNM staging for lung cancer updates tumor size and metastasis classifications. These changes impact prognosis and treatment strategies for lung cancer patients.

Keywords:
AJCCLung cancerTNM 8th editionUICCmalignancymetastasisneoplasmstaging

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Area of Science:

  • Oncology
  • Radiology
  • Pulmonology

Background:

  • Lung cancer is a leading cause of cancer mortality globally.
  • Accurate clinical staging is vital for prognosis and treatment planning in lung cancer.
  • The TNM staging system has evolved significantly, with the 8th edition implemented in 2018.

Purpose of the Study:

  • To detail the revisions in the 8th edition TNM staging for lung cancer.
  • To highlight the impact of these changes on clinical detection, staging, and treatment.
  • To provide radiologists with an overview of updated classifications and their implications.

Main Methods:

  • Review of the TNM staging system revisions, focusing on the 8th edition.
  • Analysis of changes in tumor (T) descriptors, including size and invasion.
  • Examination of updated metastasis (M) classifications, particularly for extrathoracic disease.

Main Results:

  • The 8th edition reclassifies tumor size and extrathoracic metastases (M).
  • Tumor size increases impact survival, with upstaging for some T-classifiers and downstaging for others (e.g., main bronchus involvement).
  • Extrathoracic metastases are further subcategorized (M1b, M1c) to define oligometastasis, influencing treatment decisions.

Conclusions:

  • The 8th edition TNM staging refines lung cancer classification, impacting prognostic accuracy.
  • Updated staging criteria, especially for tumor size and metastasis, necessitate adjustments in treatment strategies.
  • Radiologists play a key role in applying these revised staging guidelines for improved patient management.