Stage of lung cancer
At Vejthani International HospitalHospital, we offer a range of advanced early detection screenings designed to identify serious health conditions—like cancer—at their earliest and most treatable stages.
Detected Early. Cured Early.
Stage I lung cancer is an early stage of disease in which the tumor is small and confined to the lung, without spread to lymph nodes or distant organs. When detected early, treatment outcomes are highly favorable.
Surgical resection remains the standard and primary treatment, offering the highest likelihood of cure. Minimally invasive approaches, including video-assisted thoracoscopic surgery (VATS) and robotic-assisted thoracic surgery (RATS), are widely utilized and are associated with faster recovery, less postoperative pain, and shorter hospital stays.
For patients who are not medically fit for surgery due to comorbidities or poor pulmonary reserve, Stereotactic Body Radiation Therapy (SBRT) is an excellent alternative. SBRT delivers high-dose radiation precisely to the tumor while minimizing damage to surrounding healthy lung tissue and has demonstrated excellent local control rates in early-stage disease. At this stage, patients often have a high likelihood of cure, shorter recovery time, and the ability to return to normal daily activities promptly with appropriate treatment.
More Advanced. Still Curable
Stage II lung cancer involves a larger tumor with greater local extension and possible lymph node involvement; however, it remains highly curable with comprehensive treatment.
Surgical resection remains the cornerstone of therapy, aiming for complete removal of the tumor and involved lymph nodes.
Because microscopic cancer cells (micrometastases) may already be present in the body, adjuvant systemic therapy is recommended after surgery to reduce the risk of recurrence. This commonly includes chemotherapy, as well as targeted therapy in selected patients with actionable mutations such as EGFR-mutant disease, and immunotherapy in appropriately selected patients based on PD-L1 status.
With advances in molecular testing and precision medicine, postoperative treatment strategies are increasingly tailored to tumor biology to maximize effectiveness while minimizing toxicity.
Early and proactive multimodal treatment at this stage plays a critical role in long-term disease control and recurrence prevention.
Multidisciplinary Treatment for Optimal Disease Control
Stage III lung cancer involves more extensive local and/or regional spread, including lymph node involvement, but it can still be effectively managed with a comprehensive, multidisciplinary approach.
Treatment commonly includes a combination of chemotherapy and radiation therapy, delivered with advanced planning techniques to precisely target the tumor while minimizing exposure to surrounding healthy tissues.
In selected patients, concurrent chemoradiation followed by consolidation immunotherapy can be recommended to improve long-term disease control. In carefully selected cases, surgery after appropriate preoperative therapy may also be considered as part of a multimodal treatment strategy.
At this stage, a personalized treatment plan developed by a multidisciplinary team is essential to achieve optimal disease control, improve survival outcomes, and maintain quality of life.
Personalized Treatment for Meaningful Survival
Stage IV lung cancer means the disease has spread beyond the lung to distant organs. While it is considered advanced, modern medicine now offers highly effective personalized treatment strategies tailored to each patient’s tumor biology and overall condition.
Treatment may include targeted therapy, immunotherapy, chemotherapy, or carefully selected combinations of these approaches, guided by comprehensive molecular testing and advanced diagnostics. These therapies aim to control the disease, relieve symptoms, prolong survival, and preserve quality of life. In carefully selected patients with limited metastatic (oligometastatic) disease, aggressive multimodal treatment may achieve durable disease control and result in long-term remission.
Even at an advanced stage, the right individualized treatment plan can achieve meaningful disease control and significantly improve patient outcomes and quality of life.





















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