Most cases of this disease is asymptomatic – disease occurs as a result of the routine chest radiography, but some patients also show symptoms and signs. The main symptoms are cough, dyspnea, wheezing, stridor, and sometimes due to bronchial pneumonia.
If the tumor grows within the lung tissue can cause pain. Some patients may show symptoms of abscess formation due to cancer caviation. The tumor spread to regionalDysphagia can also cause esophageal compression, hoarseness due to laryngeal nerve palsy, dyspnea due to phrenic nerve paralysis and Horner's syndrome due to paralysis of the sympathetic nerve. Pancoasts syndrome is the result of extension of lung cancer involving the apex of the last cervical and thoracic nerve compression, the first and second nerve causes pain in the shoulder.
Cancer can spread in almost all organs. This type of cancer can spread to the brain causing someneurological problems, causing pain and bone fractures, bone marrow, causing cytopenias invasion, liver metastases resulting biochemical imbalance, adrenal metastasis is common but not the results in case of failure. systemic symptoms such as anorexia, cachexia, suppressed immunity, weight loss, fever are the general symptoms are found in virtually all patients at later stages.
Some patients may find hypercalcemia and hypophosphatemia due to ectopic parathyroid hormonetumors release.
skeletal-connective tissue syndrome, which is clubbing of fingers can also be seen in some patients. Sometimes the retinal blindness is seen in patients with small cell carcinoma.
dermatologic manifestations such as dermatomyositis and acanthosis nigricans are also seen in some patients, but very rarely.
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