The Lung Cancer Diagnostics Market Size was USD 2.3 Billion in 2021. Lung cancer is the most typical cause of cancer-related mortality across the world. Smoking stays the predominant risk factor for lung cancer. Lung cancers are categorized histological into small and non–small cell lung cancers. The most common manifestation of lung cancer is dyspnea, cough, hemoptysis, and systemic symptoms such as weight loss and anorexia. These categories are used for treatment decisions and confining prognosis. The diagnostic evaluation of patients with presumed lung cancer includes tissue diagnosis; a complete staging work-up, including evaluation of metastases; and a functional patient evaluation.