The majority of cases of lung cancer are asymptomatic – showed the disease as a result of routine radiological examination of the chest, but some patients symptoms and signs. The main symptoms are cough, shortness of breath, wheezing, stridor, and sometimes pneumonia with bronchial obstruction.
If the tumor grows in the lung tissue can cause pain. Sometimes it can prove that the patient signs of abscess formation as a result of guinea pig tumor is located. The regional distribution of the tumor may also lead to dysphagia from oesophageal compression, hoarseness with laryngeal nerve palsy, respiratory distress due to phrenic nerve paralysis and horner’s syndrome with sympathetic paralysis. Pancoasts syndrome is characterized by enlargement of the tumor in the top of the lung, where the last cervical and first and second thoracic nerve compression of nerves in the shoulder pain.
Cancer can be in almost all organs. This type of cancer can be in the brains of some neurological problems, pain in bones and fractures, bone marrow invasion causes cytopenias, liver biochemical imbalance, adrenal metastasis is also not lead to failure. Systemic symptoms such as anorexia, cachexia, suppressed immunity, weight loss, fever are the common symptoms found in almost all patients in the later stages.
In some patients, we can find hypercalcemia and hypophosphatemia by ectopic parathyroid tumors release. Skeletal, connective tissue disease, the clubbing of the fingers can also in some patients. Repeats retinal blindness in patients with small cell cancer. Dermatological symptoms, such as dermatomyositis and acanthosis nigricans were also in some patients, but very rarely.
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