Lung cancer is the leading malignancy, with a high mortality rate if detected late. Especially during the SARS-CoV-2 epidemic, patients with lung cancer have a higher risk of death.
The main role of the lungs is to exchange gas, bring oxygen into the body and release carbohydrates out. In addition, the lungs also function to metabolize some substances, filter out some toxins in the blood.
Lung cancer (lung cancer) is a malignancy that originates in lung tissue, in which uncontrolled proliferating lung tissue forms a malignant tumor. This cell growth can spread outside the lungs to other tissues or parts of the body – a process called metastasis. Most cancers that originate in the lung (primary lung cancer) are carcinoma. Lung cancer is divided into two main types: small cell lung cancer and non-small cell lung cancer.
Lung cancer is a potentially serious disease, but it is not easy to recognize at an early stage. Symptoms often manifest at a later stage, so the treatment is difficult. Understanding the signs of lung cancer helps diagnose the disease in a timely manner, from which there is an appropriate treatment plan.
Why should screening for lung cancer?
Lung cancer remains the leading cause of death worldwide. Despite many new advances in the diagnosis and treatment of the disease, overall, the prognosis for survival after 5 years in these patients is still low – about 16.8%. The diagnosis of early stage disease shows a very different treatment effect.
The disease can be completely cured, help increase the life time and improve the quality of life of patients. Large studies in the world have been conducted showing that screening for lung cancer is beneficial in reducing the extent of disease as well as reducing the death rate caused by lung cancer.
In case of lung cancer screening, people over 50 years old who smoke for more than 20 years should be screened. In addition, if you have the following symptoms, you should be screened for lung cancer immediately: a long cough, coughing up blood; pain in an area of the chest; Change the voice; wheezing; fatigue often; pain when swallowing.
Symptoms of lung cancer warning
Dry cough for 2 weeks or more
Coughing is the most suggestive but often overlooked symptom. A persistent cough that does not go away for a long time, a dry cough, coughing up phlegm, or even coughing up blood (small amounts, sputum with a little blood) can be a sign of lung cancer.
Shortness of breath, shortness of breath, wheezing
Shortness of breath may be due to bronchial obstruction, wheezing may be due to large bronchial obstruction, pleural effusion … Lung abscess leads to fever, sputum discharge …
Pneumonia, lung abscess
Respiratory infections syndrome such as pneumonia, lung abscess are typical symptoms of the invasive stage.
Supraventricular hypertension syndrome
As the tumor invades the superior vena cava, it causes bladder edema, and a bladder vein develops on the chest.
Chest pain, pain in a fixed location, persistent pain. Hoarseness, mute, difficulty swallowing, pain, swallowing, hiccups … Headache. Unexplained weight loss, physical weakness … Drumstick fingers, arthralgia, neuromuscular damage, skin discoloration in the groin skin areas, syndrome of increased secretion of anti-diuretic hormone, hypercalcemia …