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  2. Lung nodule - Wikipedia

    en.wikipedia.org/wiki/Lung_nodule

    A lung nodule or pulmonary nodule is a relatively small ... If the patient has a history of smoking or the nodule is growing, ... Total size >6mm (>100 3) Single nodule

  3. Benign tumor - Wikipedia

    en.wikipedia.org/wiki/Benign_tumor

    [28] [29] Although benign tumors generally grow slowly, cases of fast-growing benign tumors have also been documented. [30] Some malignant tumors are mostly non-metastatic such as in the case of basal-cell carcinoma. [31] CT and chest radiography can be a useful diagnostic exam in visualizing a benign tumor and differentiating it from a ...

  4. Adenocarcinoma in situ of the lung - Wikipedia

    en.wikipedia.org/wiki/Adenocarcinoma_in_situ_of...

    Adenocarcinoma in situ (AIS) of the lung —previously included in the category of "bronchioloalveolar carcinoma" (BAC)—is a subtype of lung adenocarcinoma.It tends to arise in the distal bronchioles or alveoli and is defined by a non-invasive growth pattern.

  5. Lung tumor - Wikipedia

    en.wikipedia.org/wiki/Lung_tumor

    Neuroendocrine tumors of the lung [7] Lymphomas of the lung. [8] Sarcomas of the lung. [9] Some rare vascular tumors of the lung [8] Non-lung tumors which may grow into the lungs: Mediastinal tumors; Pleural tumors; Metastasis or secondary tumors/neoplasms with other origin: Metastasis to the lung

  6. Lung cancer staging - Wikipedia

    en.wikipedia.org/wiki/Lung_cancer_staging

    The mainstay of non-invasive staging is a CT scan of the chest followed by metabolic imaging with a PET scan. The CT scan shows abnormalities such as a lung nodule or enlarged lymph nodes whereas the PET scan reveals increased metabolism such as occurs in structures which contain rapidly growing cancer cells. PET/CT combined the benefits of ...

  7. Cannonball sign - Wikipedia

    en.wikipedia.org/wiki/Cannonball_sign

    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.

  8. Lung cancer - Wikipedia

    en.wikipedia.org/wiki/Lung_cancer

    Lung cancer is the most diagnosed and deadliest cancer worldwide, with 2.2 million cases in 2020 resulting in 1.8 million deaths. [3] Lung cancer is rare in those younger than 40; the average age at diagnosis is 70 years, and the average age at death 72. [2] Incidence and outcomes vary widely across the world, depending on patterns of tobacco use.

  9. Diffuse idiopathic pulmonary neuroendocrine cell hyperplasia

    en.wikipedia.org/wiki/Diffuse_idiopathic...

    Pulmonary function: increased residual volume, increased total lung capacity, fixed obstruction, low diffusing capacity of the lung for carbon monoxide that corrects with alveolar volume; High-resolution CT scan: diffuse pulmonary nodules 4–10 mm, greater than 20 nodules, mosaic attenuation or air trapping in greater than 50% of the lung