Does lung cancer cause coughing?

Written by Gong Chun
Oncology
Updated on September 24, 2024
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The most common symptoms of lung cancer patients include coughing, followed by coughing up blood, difficulty breathing, and chest pain. When the tumor grows in larger bronchi, it often causes an irritable cough, which can easily be mistaken for a cold. As the tumor continues to grow and affects the drainage of the bronchi, secondary lung infections can occur, possibly producing purulent sputum and an increased amount of coughed-up sputum. At this time, coughing becomes quite severe. Another symptom that may appear is blood in the sputum, which could be blood-streaked sputum, or sporadic, small amounts of coughed-up blood.

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Written by Gong Chun
Oncology
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Does lung cancer cause coughing?

The most common symptoms of lung cancer patients include coughing, followed by coughing up blood, difficulty breathing, and chest pain. When the tumor grows in larger bronchi, it often causes an irritable cough, which can easily be mistaken for a cold. As the tumor continues to grow and affects the drainage of the bronchi, secondary lung infections can occur, possibly producing purulent sputum and an increased amount of coughed-up sputum. At this time, coughing becomes quite severe. Another symptom that may appear is blood in the sputum, which could be blood-streaked sputum, or sporadic, small amounts of coughed-up blood.

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Written by Hu Zhong Dong
Medical Oncology
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Causes of Lung Cancer

The most common cause of lung cancer is smoking, but many people who have never smoked also develop lung cancer. One possible reason could be related to kitchen fumes. Chinese cooking habits often involve high-temperature frying and stir-frying. After frying in hot oil, the higher the temperature, the more harmful substances are in the fumes, which over time could lead to lung cancer. Some patients develop lung cancer due to air pollution; secondhand smoke is also a significant cause. For example, if a husband smokes, the likelihood of his wife developing lung cancer is more than 200% higher than in the general population, indicating that smoking harms not only the smoker but also their nearest and dearest family members. Additionally, there are other potential causes including psychosomatic factors such as chronic insomnia, depression, decreased immunity, genetic factors, and more.

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Written by Gong Chun
Oncology
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Early symptoms of lung cancer

Early-stage lung cancer, especially peripheral lung cancer, often has no symptoms and is mostly found during chest X-rays or CT scans. The clinical symptoms of lung cancer are closely related to the location, size, pathological type of the tumor, whether it compresses or invades adjacent organs, and whether there is metastasis. The symptoms of lung cancer generally include: First, some symptoms of the primary tumor growing locally, including cough, hemoptysis, difficulty breathing, and chest pain. When the tumor grows inside a larger bronchus, it might cause some irritative coughing. Second, as the tumor continues to grow and affects the drainage of the bronchi, it may lead to secondary lung infections, presenting with symptoms such as cough and purulent sputum. Third, there might be bloody sputum streaked with blood or intermittent minor hemoptysis, though significant hemoptysis is very rare.

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Written by Gong Chun
Oncology
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What is the treatment for lung cancer?

Treatment for lung cancer should be based on the pathological staging, the pathology type, the biological behavior of the lung cancer, and individualization, taking into account the patient's cardiopulmonary function and overall systemic condition to develop a personalized treatment plan. For non-small cell lung cancer and small cell lung cancer, the treatment approaches differ significantly. Therefore, it is advisable for patients to seek treatment at specialized hospitals, under the guidance of oncology specialists. Generally, treatment options for non-small cell lung cancer include surgical resection, adjunctive chemoradiation, neoadjuvant chemoradiation, targeted therapy, and immunotherapy. For small cell lung cancer, a comprehensive treatment plan combining chemoradiation, along with prophylactic cranial irradiation and other aggressive treatments, is recommended. Each individual's situation might differ, so it is important to focus on a personalized comprehensive treatment plan rather than a one-size-fits-all approach.

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Written by Gong Chun
Oncology
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What tests are conducted for lung cancer?

Diagnosis of Lung Cancer: The first method can be through chest X-ray and CT scan; The second is sputum cytology examination; The third involves using a bronchoscopy; The fourth is mediastinoscopy, which allows direct observation of the enlargement of lymph nodes on both sides of the mediastinum; The fifth is to perform PET-CT, which is Positron Emission Tomography-Computed Tomography; The sixth requires a biopsy; it can be done through a transthoracic needle biopsy, or via a bronchoscopic biopsy; The seventh is the biopsy of metastatic lesions, such as subclavian lymph nodes, and lymph node metastases in the neck or axillary areas can be examined; The eighth can involve drawing cancerous pleural effusion; if there is pleural effusion, pleural fluid cytology examination can be performed; The ninth method is thoracotomy exploration; if lung nodules or lung tumors cannot be definitively diagnosed through various other methods, thoracotomy exploration can be performed.