Investment Rating - The report maintains an "Outperform" rating for the industry [2]. Core Insights - The third-generation EGFR TKI has become the first-line standard therapy for advanced EGFR mutation NSCLC, significantly extending median progression-free survival (mPFS) to 18.9-22.1 months compared to earlier generations [4][24]. - The domestic EGFR TKI market is expected to exceed 20 billion CNY in 2024, with third-generation EGFR TKIs accounting for 88% of the market share [4][30]. - There is an urgent need to address resistance mechanisms following third-generation EGFR TKI treatment, with ongoing exploration of fourth-generation TKIs, bispecific antibodies, and antibody-drug conjugates (ADCs) [5][32]. Summary by Sections 1. High Incidence of Lung Cancer in China - Lung cancer is the most common malignant tumor globally, with approximately 2.6 million new cases expected in 2024, including about 1.15 million in China [8]. - Non-small cell lung cancer (NSCLC) accounts for around 85% of lung cancer cases, with adenocarcinoma and squamous cell carcinoma being the most prevalent subtypes [8]. 2. Third-Generation EGFR TKI as First-Line Therapy - The third-generation EGFR TKI has established itself as the first-line treatment for advanced EGFR mutation NSCLC, with significant improvements in mPFS compared to first and second generations [4][16][24]. - The report highlights the efficacy of third-generation TKIs in overcoming common mutations and their favorable safety profile [4][24]. 3. Exploration of Resistance Mechanisms - The report discusses the complexity of resistance mechanisms to third-generation EGFR TKIs, including both EGFR-dependent and independent pathways [5][32]. - Current research focuses on developing fourth-generation TKIs targeting specific mutations and exploring combination therapies with bispecific antibodies and ADCs [5][32][39]. 4. Investment Recommendations - The report emphasizes the growth potential of third-generation EGFR TKIs and suggests monitoring companies like Hansoh Pharma and Eli Lilly for market penetration and sales growth [51]. - It also highlights the progress of ADCs and bispecific antibodies in clinical trials, indicating a robust pipeline for future treatments [51][52].