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. 2024 Nov 12;20(3):240004. doi: 10.1183/20734735.0004-2024

TABLE 3.

Summary of the diagnostics

Diagnostic modality Procedure Use
Medical history Examination by a physician Identifying typical lung cancer symptoms and risk factors such as smoking history
Physical examination Clinical examination by a physician Differential diagnosis between infection and oncological disease
X-ray Imaging Differential diagnosis
CT scan Imaging Staging: size, tumour location and spread to nearby tissues and organs, identifying metastases (best method of assessing adrenal metastases )
FDG-PET/CT Imaging Staging: tumour location, mediastinal lymph node involvement, metastatic spread
MRI Imaging Staging: brain metastases
Bronchoscopy Biopsy Cancer tissue sampling
Transthoracic needle aspiration Biopsy Cancer tissue sampling
Surgical resection Biopsy Cancer tissue sampling
EBUS/EUS Biopsy Cancer tissue sampling
Mediastinoscopy Biopsy Cancer tissue sampling
Histology Pathological analysis Biological characterisation of lung cancer
Immunohistochemistry Pathological analysis Subtype classification by expression of specific markers (e.g. expression of neuroendocrine markers synaptophysin, chromogranin A, CD56)
Next-generation sequencing Genetic analysis Identifying actionable mutations

CT: computed tomography; FDG-PET: 2-deoxy-2-[18F]fluoro-D-glucose positron emission tomography; MRI:- magnetic resonance imaging; EBUS: endobronchial ultrasound; EUS: endoscopic ultrasound.