incidence of lung cancer

Written by Hu Zhong Dong

Medical Oncology

Updated on April 26, 2025

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In recent years, the incidence of tumors has continued to rise, becoming a major killer threatening public health. According to global cancer statistics from 2015, in 2012, there were approximately 14 million new cases of cancer worldwide. Among these, lung cancer had an incidence of 1.8 million, accounting for 13% of all cancer cases. It is the type of cancer most frequently diagnosed and is also the leading cause of cancer death among men globally and women in developed countries. So, what is the current situation of lung cancer incidence in our country? The National Health Commission has stated that in 2014, there were about 3.804 million new cancer cases in China, with lung cancer having the highest incidence at 181,000 cases. Lung cancer presents complex clinical symptoms and its early symptoms are relatively mild, leading many patients to seek medical advice only in the late stages, thereby missing the optimal treatment window.

Other Voices

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Written by An Yong Peng

Pulmonology

1min 12sec

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What should I do about dry cough and wheezing caused by lung cancer?

Patients with lung cancer presenting with dry cough and wheezing often require treatment to suppress coughing, alleviate wheezing, and address the symptoms. It is also important to check if the patient has concurrent obstructive pneumonia. Lung cancer combined with obstructive pneumonia can also lead to dry cough and wheezing. In such cases, anti-infection treatment is needed, along with treatment specifically targeting lung cancer itself. Dry cough and wheezing in lung cancer often suggest that the cancer may be in the middle to late stages, where the chances of surgery are generally small. However, it is still necessary to complete relevant examinations to further assess the condition. If the patient is eligible for surgery, surgical treatment should be considered. If the patient is indeed in the middle to late stages of lung cancer and is not suitable for surgery, chemotherapeutic drugs are needed for treatment. Sometimes, targeted drugs can be chosen for treating advanced-stage non-small cell lung cancer. In cases of advanced non-small cell lung cancer with driver gene mutations, targeted therapy might even be the preferred treatment option.

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Written by An Yong Peng

Pulmonology

56sec

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Can early-stage lung cancer cause shoulder pain?

In the early stages of lung cancer, it generally does not cause shoulder pain. Early-stage lung cancer often does not involve critical structures and typically does not produce noticeable clinical symptoms. However, a small number of central lung cancers may cause symptoms related to coughing. Moreover, shoulder pain can occur in cases of lung cancer, often seen in superior sulcus tumors. A superior sulcus tumor, also known as a Pancoast tumor, is a tumor located at the top of the lung. As the tumor grows, it may compress the brachial plexus nerves, leading to symptoms such as shoulder pain and throat pain. It can also cause symptoms like enophthalmos (sunken eyeball) and pupil constriction. Therefore, when encountering these signs clinically, it is necessary to consider the possibility of a superior sulcus tumor and conduct examinations like a chest CT scan for evaluation.

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Written by Wang Chun Mei

Pulmonology

52sec

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How to stop coughing and wheezing in the late stage of lung cancer

Lung cancer is a relatively common type of malignant lung tumor clinically. Due to the different specific types of lung cancer in different populations, the symptoms experienced by patients also vary. In the early stages of lung cancer, symptoms are generally characterized by irritative dry cough, hemoptysis, breathlessness, and chest tightness. As the tumor grows and metastasizes, patients in the later stages may experience varying degrees of coughing, wheezing, and expectoration. For such patients, the first step is to provide appropriate anti-infection treatment and oral administration of antispasmodic drugs. Inhalation of medications that relieve bronchospasm can also be chosen, both of which can achieve a certain effect in relieving cough and easing breathing.

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Written by Li Ying

Pulmonology

1min 16sec

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Is hemoptysis lung cancer?

Coughing up blood is not necessarily lung cancer. Among respiratory diseases, the three most common causes of coughing up blood are, first, bronchiectasis; second, pneumonia and lung abscess; and third, lung cancer. So how can we determine the cause? The best, simplest, and fastest method is to go to the hospital for a lung CT scan as soon as coughing up blood occurs. If the lung CT shows bronchiectasis, then bronchiectasis should be considered; if it shows an infiltrative lesion, then pneumonia should be considered; if it shows a tumor, then lung cancer should be considered at that time. However, there is also a scenario where blood is coughed up, but the lung CT is completely normal. What should be done then? This situation might be due to pharyngitis. Sometimes, severe coughing from pharyngitis can cause bleeding of the mucous membranes in the throat. In this case, there’s no need for excessive worry, as it may be caused by factors involving the throat. Cough gently, and if there’s no blood when coughing lightly, it’s likely not serious. However, if there's still blood in the sputum even when coughing lightly, it is recommended to undergo a bronchoscopy to check for tuberculosis or cancer in the bronchi.

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Written by Wang Cheng Lin

Orthopedics

45sec

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Does shoulder pain mean lung cancer?

The most common cause of shoulder pain is chronic strain of the ligaments and muscles in the shoulder, not lung cancer. Lung cancer accounts for only a small portion of the reasons. If a patient has lung cancer, it can spread to the shoulder, or the lung cancer itself can produce a type of referred pain, which can cause shoulder pain. To determine the cause, it is necessary to go to the hospital for an X-ray of the shoulder joint or a plain chest film, as well as an MRI of the shoulder joint, to clarify the cause of the shoulder pain. If the pain is solely due to the muscles or ligaments in the shoulder, it can be relieved through conservative treatments such as massage, acupuncture, electrotherapy, and magnetotherapy.