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This small solitary tumor exhibits pure alveolar distribution (lepidic growth) and lacks any invasion of the surrounding normal lung. If completely removed by surgery, the prognosis is excellent with up to 100% 5-year survival. [1]
Adenocarcinoma of the lung is the most common type of lung cancer, and like other forms of lung cancer, it is characterized by distinct cellular and molecular features. [1] It is classified as one of several non-small cell lung cancers (NSCLC), to distinguish it from small cell lung cancer which has a different behavior and prognosis.
These are solitary lesions lying within the lung varying in size between 10 and 80 millimeters in diameter. [citation needed] There are four elements in this tumour: solid, papillary, sclerotic and hemangiomatous. These are present in variable proportions depending on the lesion. Calcification occurs in 40%.
The American Cancer Society estimates that in 2023, there will be about 238,000 cases of lung cancer, and about 127,000 people will die from lung cancer. Smoking is the number one risk factor for ...
The main types of lung cancer are non-small cell lung carcinoma and small cell lung carcinoma, the two being distinguished histologically as well as by how they are treated; non-small cell lung carcinoma is primarily treated with surgery if feasible, while small cell lung carcinoma is more frequently treated with chemotherapy and radiation.
Although it is not possible for the lung to re-grow like the liver, the body is able to compensate for the reduced lung capacity by slow and gradual expansion of the other remaining lung. Post-pneumonectomy patients in due time reach about 70–80 percent of their pre-surgery lung function. [ 10 ]
Additionally, lesions greater than 5 cm should be excluded and lesions 3 to 5 cm should be considered with caution given high risk of recurrence. [39] As a minimally invasive procedure, it can be a safer alternative for patients who are poor candidates for surgery due to comorbidities or limited lung function.
Pulmonary alveolar proteinosis (PAP) is a rare lung disorder characterized by an abnormal accumulation of surfactant-derived lipoprotein compounds within the alveoli of the lung. The accumulated substances interfere with the normal gas exchange and expansion of the lungs, ultimately leading to difficulty breathing and a predisposition to ...