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A lung nodule or pulmonary nodule is a relatively small focal density in the lung. A solitary pulmonary nodule (SPN) or coin lesion, [1] is a mass in the lung smaller than three centimeters in diameter. A pulmonary micronodule has a diameter of less than three millimetres. [2] There may also be multiple nodules. One or more lung nodules can be ...
This finding is most commonly associated with hematogenous metastases, where malignant cells spread to the lungs via the bloodstream, forming discrete nodules that resemble cannonballs. [2] The term "cannonball" reflects the large, rounded appearance of these lesions, often evident on chest radiographs or CT scans.
Lung tumor; A chest X-ray showing a tumor in the lung (marked by arrow) Specialty: Oncology Pulmonology: Symptoms: Coughing (including coughing up blood), weight loss, shortness of breath, chest pains [1] Complications: Lung cancer: Causes: Smoking Radon gas Asbestos Air pollution Genetics
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Pulmonary tuberculomas are among the most common benign nodules, with 5%-24% of all resected nodules being of tuberculous origin. [21] In areas of lower prevalence, such as the United States, they are most commonly seen in the setting of an acquired immunodeficiency . [ 23 ]
Less common is an extrapleural pneumonectomy (EPP), in which the lung, lining of the inside of the chest, the hemi-diaphragm, and the pericardium are removed. [ citation needed ] In localized pericardial mesothelioma, pericardectomy can be curative; when the tumor has metastasized, pericardectomy is a palliative care option.
Tiếng Việt; 中文; Edit links ... Pages in category "Lung cancer" The following 60 pages are in this category, out of 60 total. ... Lung lobectomy; Lung nodule ...
The smaller the tumor on a radiograph, the more likely it is to be benign as 80% of lung nodules less than 2 cm in diameter are benign. Most benign nodules are smoothed radiopaque densities with clear margins but these are not exclusive signs of benign tumors.