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Thoracic Oncology Glossary

100 terms total — 24 showing — Last updated 15 Sep 2026

ECOG performance status ECOG

Intermediate Technical IVT

A standardized scale (0-5) used to assess a cancer patient's functional status and ability to tolerate treatment.

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adenocarcinoma

Professional Technical IVT

The most common type of non-small cell lung cancer, arising from mucus-producing glandular cells.

Technical Term Full entry →

adjuvant chemotherapy

Intermediate Technical IVT

Systemic treatment given after complete surgical resection to eliminate microscopic residual disease. Standard care for...

Technical Term Full entry →

ALK rearrangement

Professional Technical IVT

A chromosomal abnormality involving the ALK gene, found in approximately 5% of lung adenocarcinomas and targetable with...

Technical Term Full entry →

atelectasis

Intermediate Technical IVT

Collapse or incomplete expansion of lung tissue, often seen with bronchial obstruction from tumors.

Technical Term Full entry →

bilobectomy

Professional Technical IVT

Surgical removal of two pulmonary lobes, typically performed when tumor involvement spans multiple lobes.

Technical Term Full entry →

BRAF V600E mutation

Professional Technical IVT

A specific genetic alteration in the BRAF gene found in a subset of lung adenocarcinomas, targetable with specific inhib...

Technical Term Full entry →

bronchial anastomosis

Advanced Technical IVT

Surgical connection between two ends of bronchus after resection of an intervening segment. Critical component of sleeve...

Technical Term Full entry →

bronchial brushings

Intermediate Technical IVT

Cytological specimens obtained by brushing the bronchial wall during bronchoscopy for cancer diagnosis.

Technical Term Full entry →

bronchial margin

Intermediate Technical IVT

The cut edge of bronchus examined pathologically to ensure complete tumor removal. Critical for determining adequacy of...

Technical Term Full entry →

bronchial sleeve resection

Advanced Technical IVT

A lung-sparing surgical technique that removes a tumor from the main bronchus while preserving distal lung tissue by rec...

Technical Term Full entry →

bronchial stump

Professional Technical IVT

Remaining portion of bronchus after surgical resection of lung tissue, prone to complications like dehiscence or infecti...

Technical Term Full entry →

bronchial thermoplasty

Advanced Technical

Bronchoscopic procedure using radiofrequency energy to reduce airway smooth muscle in severe asthma treatment. Not typic...

Technical Term Full entry →

bronchioloalveolar carcinoma

Professional Technical IVT

A former classification of lung adenocarcinoma now reclassified as adenocarcinoma in situ or minimally invasive adenocar...

BAC
Technical Term Full entry →

bronchioloalveolar cell carcinoma

Professional Technical IVT

A former histological classification for lung adenocarcinoma with distinctive growth patterns, now reclassified under th...

BAC
Technical Term Full entry →

bronchoplastic resection

Professional Technical IVT

Surgical technique preserving lung tissue by reconstructing airways rather than performing larger resections.

Technical Term Full entry →

bronchoscopy

Intermediate Technical IVT

A diagnostic procedure using a flexible or rigid scope to visualize the airways and obtain tissue samples.

Technical Term Full entry →

carinal reconstruction

Professional Technical IVT

Complex surgical procedure to rebuild the carina after resection of tumors involving the main bronchial bifurcation.

Technical Term Full entry →

carinal resection

Professional Technical IVT

A complex surgical procedure involving removal of the carina (the bifurcation point of the main bronchi) with subsequent...

Technical Term Full entry →

chylothorax

Intermediate Technical IVT

Accumulation of lymphatic fluid (chyle) in the pleural space, often occurring after thoracic surgery or from tumor compr...

Technical Term Full entry →

circulating tumor DNA

Professional Technical IVT

DNA fragments shed by tumors into the bloodstream, used for liquid biopsy and monitoring treatment response in lung canc...

Technical Term Full entry →

consolidation

Intermediate Technical IVT

A radiological pattern of dense lung opacification that obscures vascular markings, often indicating pneumonia or tumor.

Technical Term Full entry →

ctDNA

Advanced Technical IVT

Circulating tumor DNA found in the bloodstream, used for non-invasive cancer monitoring and molecular profiling.

Technical Term Full entry →

cytological atypia

Advanced Technical IVT

Abnormal cellular features observed on cytology that may indicate malignancy or premalignant conditions.

Technical Term Full entry →

Eastern Cooperative Oncology Group

Intermediate Formal IVT

Research cooperative that developed the widely-used ECOG performance status scale for assessing cancer patients' functio...

Abbreviation Full entry →
Showing 1–24 of 100

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