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Related Concept Videos

Cancer02:18

Cancer

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Cancers arise due to mutations in genes involved in the regulation of cell division, which leads to unrestricted cell proliferation. Modern science and medicine have made great strides in the understanding and treatment of cancer, including eradicating cancer in some patients. However, there is still no cure for cancer. This is largely due to the fact that cancer is a large group of many diseases.
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The air in the lungs is measured in volumes and capacities. Lung volume measures reflect the amount of air taken in, released, or left over after a lung function, like a single inhalation. Lung capacity measures are sums of two or more lung volume measures.
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The lungs are nestled in a cavity, shielded by the pleura. The pleura, a form of serous membrane, wraps around each lung. This membrane arrangement consists of two layers: the visceral and parietal pleurae. The visceral pleura lines the surface of the lungIn contrast, the parietal pleura is the outer layer and contacts to the thoracic wall, the mediastinum, and the diaphragm. The hilum is the point of connection between the visceral and parietal layers. The space between the parietal and...
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The lungs are a pair of vital organs connected to the trachea via the left and right bronchi. The base of these organs meets the dome-shaped muscle known as the diaphragm. Encased by the pleurae, the lungs contact the mediastinum. The right lung is shorter yet wider, and has a larger volume than the left lung. The left lung has an indentation known as the cardiac notch. The superior region of the lungs is referred to as the apex, whereas the base is the lower region near the diaphragm. The...
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Cancer treatment vaccines are a rapidly evolving field that offers a promising approach to immunotherapy. Unlike traditional vaccines that prevent diseases, cancer treatment vaccines are designed to treat existing cancers by stimulating the immune system to recognize and attack cancer cells.
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Related Experiment Video

Updated: Jan 26, 2026

An In Vivo Mouse Model of Total Intravenous Anesthesia During Cancer Resection Surgery
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An In Vivo Mouse Model of Total Intravenous Anesthesia During Cancer Resection Surgery

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Sublobar resection for lung cancer.

R Rami-Porta1, M Tsuboi

  • 1Thoracic Surgery Service, Hospital Mutua de Terrassa, Plaza Dr. Robert 5, 08221 Terrassa, Barcelona, Spain. rramip@terra.es

The European Respiratory Journal
|February 3, 2009
PubMed
Summary

Sublobar resection for small lung cancers shows higher recurrence but similar survival compared to lobectomy. Segmentectomy is equivalent for small tumors, while wedge resection recurrence is higher.

Area of Science:

  • Thoracic Surgery
  • Surgical Oncology
  • Pulmonary Medicine

Background:

  • Sublobar resection for small lung cancers remains controversial.
  • A key randomized trial showed higher recurrence but similar survival for sublobar resections versus lobectomy.

Purpose of the Study:

  • To evaluate the efficacy and safety of sublobar resection versus lobectomy for small lung cancers.
  • To analyze recurrence rates and survival outcomes based on resection type and tumor characteristics.

Main Methods:

  • Review of randomized trials, meta-analyses, and non-randomized comparative studies.
  • Analysis of survival rates and local recurrence based on surgical technique (lobectomy, segmentectomy, wedge resection) and tumor size.

Main Results:

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  • Lobectomy demonstrated a trend towards better survival and significantly lower recurrence rates compared to sublobar resections.
  • Segmentectomy showed equivalent survival to lobectomy for tumors ≤2 cm, but worse outcomes for larger tumors.
  • Wedge resection had higher local recurrence than segmentectomy, but similar survival to lobectomy in elderly patients (>71 yrs).
  • Tumor margins ≥1 cm are crucial for both segmentectomy and wedge resection to prevent recurrence.
  • For pure bronchioloalveolar carcinoma ≤2 cm, sublobar resection may be equivalent to lobectomy, potentially avoiding nodal dissection if diagnosed definitively intraoperatively.

Conclusions:

  • Sublobar resection can be considered for specific small lung cancer cases, particularly tumors ≤2 cm or pure bronchioloalveolar carcinoma, with adequate margins.
  • Lobectomy with systematic nodal dissection remains the standard for ensuring complete resection and accurate staging, especially in cases of doubt.
  • Further randomized trials are necessary to definitively establish the role of sublobar resection in lung cancer treatment.