Câncer de pulmão
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Lung cancer is a disease in which certain cells in the lungs become abnormal and multiply uncontrollably to form a tumour. Lung cancer may not cause signs or symptoms in its early stages. Some people with lung cancer have chest pain, frequent coughing, blood in the mucus, breathing problems, trouble swallowing or speaking, loss of appetite and weight loss, fatigue, or swelling in the face or neck. Additional symptoms can develop if the cancer spreads (metastasizes) into other tissues. Lung cancer occurs most often in adults in their sixties or seventies. Most people who develop lung cancer have a history of long-term tobacco smoking; however, the condition can occur in people who have never smoked.
Descrição
Lung cancer is a disease in which certain cells in the lungs become abnormal and multiply uncontrollably to form a tumour. Lung cancer may not cause signs or symptoms in its early stages. Some people with lung cancer have chest pain, frequent coughing, blood in the mucus, breathing problems, trouble swallowing or speaking, loss of appetite and weight loss, fatigue, or swelling in the face or neck. Additional symptoms can develop if the cancer spreads (metastasizes) into other tissues. Lung cancer occurs most often in adults in their sixties or seventies. Most people who develop lung cancer have a history of long-term tobacco smoking; however, the condition can occur in people who have never smoked.
Lung cancer is generally divided into two types, small cell lung cancer and non-small cell lung cancer, based on the size of the affected cells when viewed under a microscope. Non-small cell lung cancer accounts for 85 percent of lung cancer, while small cell lung cancer accounts for the remaining 15 percent.
Small cell lung cancer grows quickly and in more than half of cases the cancer has spread beyond the lung by the time the condition is diagnosed. Small cell lung cancer often metastasizes, most commonly to the liver, brain, bones, and adrenal glands (small hormone-producing glands located on top of each kidney). After diagnosis, most people with small cell lung cancer survive for about 1 year; less than seven percent survive 5 years.
Non-small cell lung cancer is divided into three main subtypes: adenocarcinoma, squamous cell carcinoma, and large cell lung carcinoma. Adenocarcinoma arises from the cells that line the small air sacs (alveoli) located throughout the lungs. Squamous cell carcinoma arises from squamous cells that line the passages leading from the windpipe (trachea) to the lungs (bronchi). Large cell carcinoma arises from epithelial cells that line the lungs. Large cell carcinoma encompasses non-small cell lung cancers that do not appear to be adenocarcinomas or squamous cell carcinomas. The 5-year survival rate for people with non-small cell lung cancer is usually between 11 and 17 percent; it can be lower or higher depending on the subtype and stage of the cancer.
Padrões de herança
The source lists the following possible inheritance patterns: Not inherited; Autosomal dominant. More than one pattern can apply in different cases.
Related genes
Other names
Cancer of bronchus
Câncer de pulmão
Lung malignancies
Lung malignant tumours
Lung neoplasms
Malignant lung tumour
Malignant neoplasm of lung
Malignant tumour of lung
Pulmonary cancer
Pulmonary carcinoma
Pulmonary neoplasms
Respiratory carcinoma
Related patient information and medicines
Patient information leaflet
Câncer de pulmão
Lung cancer (cancer of the lung) is common worldwide. If lung cancer is diagnosed at an early stage, there is a chance of a cure. Lung cancer is one of the most common cancers in the UK. Primary lung cancers Primary lung cancer... There are several types of primary lung cancer. The two most common types are called small-cell lung carcinoma (SCLC).
Patient information leaflet
Sintomas do câncer
Cancer symptoms will vary according to the type of cancer and how far the cancer has grown. There are some symptoms that are common to many cancers. Bowel cancer : blood in stools or after passing stool, pain in rectum. Câncer de pulmão : persistent cough, blood in sputum (haemoptysis), chest pain. Brain cancer : unexplained headaches; headache present.
Patient information leaflet
Causas do câncer
Certain risk factors are known to increase the chance that one or more of your cells will become abnormal and lead to cancer. How does cancer start. As a general rule, the more the exposure to a carcino... Well-known examples include: Tobacco. If you fuma , you are mais likely to develop cancer of the lung , mouth , throat , oesophagus , bladder.
Patient information leaflet
Tipos de câncer
There are more than 100 different types of cancer. For example, a breast cell, a lung cell, etc. The five most common cancers in the UK are Breast Cancer , Lung Cancer , Prostate Cancer , Bowel Cancer and Skin Cancer - but there are many more types. Links to detailed leaflets on each are provided below: Bladder Cancer Brain Cancer and Brain.
Patient information leaflet
Estágios do câncer
If left untreated, cancers often go through three stages: local growth, spread to lymph channels and spread to other areas of the body. The stage of a cancer is a measure of how much the cancer has grown and spread. As a general... Staging systems TNM staging system A common way of staging cancer such as breast, colon, and pulmão cancers is called.
Patient information leaflet
Mesotelioma
Mesothelioma is an uncommon type of cancer that occurs in the tissues covering internal organs, particularly your lungs or less commonly your tummy (abdomen). Past exposure to asbestos is the main risk factor for mesothelioma. The first symptoms are variable but can ... What is mesothelioma. Mesothelioma is a type of câncer that occurs in the.
Leitura adicional e referências
- Câncer de pulmão; MedlinePlus, National Library of Medicine.
- American Cancer Society: Cancer Facts & Figures 2017
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