Doctor insights on:
How Do You Know When You Have Lung Cancer
Cancer is a group of diseases that is characterized by uncontrolled cell growth leading to invasion of surrounding tissues that spread to other parts of the body. Cancer can begin anywhere in the body and is usually related to one or more genetic mutations that allow normal cells to become malignant by interfering with internal cellular control mechanisms, such as programmed cell death or by preventing ...Read more
Multiple symptoms: Some people do not know and a small tumor is found on x ray. People with lung cancer can vary most will develop a cough possibly with blood, some will loose weight develop infections of the lung and feel weak even short of breath. At times one can have recurrent pneumonias to find a small tumor mixed into the pneumonia. THe diagnosis is made by biopsy ...Read more
Imaging and biopsy: Most lung cancers are discovered by imaging studies such as chest x-rays or ct scans. These will show mass lesions that should not normally be present. If such a lesion is detected, then it is usually sampled by needle aspiration or bronchoscopy, and cells or pieces of tissue are studied in a laboratory under a microscope to decide if a malignancy is present and to decide what type the tumor is. ...Read moreSee 1 more doctor answer
Depends on location: When a cancer of the lung starts growing, the symptoms it produces depend on its location. A tumor growing at the periphery of the lung may involve surrounding structures, causing a variety of symptoms, such as pain, fluid in the chest, etc. In the airway, it can cause obstruction, causing breathing problems or bleeding and infection. Location, location, location. ...Read more
Deoxygenated blood enters the lungs from the right side of the heart and travels to the lungs. When you inspire, oxygen flows into the lungs, transverses the capilliares and attaches to hemoglobin down a gradient. At the same time, co2 diffuses into the capilaries and is expelled with exhalation. Oxygen rich blood then flows to the left side of the heart and into the ...Read more
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