With that said, lung cancer is very treatable if caught early. A lung infection can be caused by bacteria, a virus, or a fungus, and the symptoms will be very similar, including a cough with mucus, fever, runny nose, and crackling noises in the lungs. There are two main types of pulmonary nodules: malignant (cancerous) and benign (noncancerous). The Content on this Site is presented in a summary fashion, and is intended to be used for educational and entertainment purposes only. The lungs of a healthy person are a honeycomb-like tissue containing a considerable amount of air. best wishes. Lung cancer, in particular, can be very scary to think about, as one in four cancer deaths are due to lung cancer. The chance that your nodule is lung cancer is somewhere around 40%. best wishes. Answered on May 13, 2013 To be declared as a lung nodule, it has to be of 3 cm or below the size. This is a small, round growth on the lungs that shows up as a white spot on image scans. What causes pulmonary nodules? The reason why lung nodules sound problematic is that many times they become cancerous. A lung nodule is a small growth that appears on the ling. Spot on the lungs. A lung nodule is a mass of tissue located in the lungs. A spot on the lungs usually refers to a pulmonary nodule. Risk factors for malignant pulmonary nodules include a history of smoking and older age. Hi I was ill in January of this year sent for an xray which showed a shadow I then had a CT scan which showed a tumor the hospital said they were 98% sure it was lung cancer and for 3mths they tried 6 times to get a biopsy but couldn't the PET scan showed it as worse they went to start chemo and radio therapy realised that they had not tested my blood since Feb for infection … Not all growths that emerge on lungs are nodules. Lung nodules can be found on up to half of all lung CT scans. It is not intended to be and should not be interpreted as medical advice or a diagnosis of any health or fitness problem, condition or disease; or a recommendation for a specific test, doctor, care provider, procedure, treatment … Consequently, an X-ray of the lung is dark grey, even black. The idea of lung nodules scares many people. Lung nodules are soft-tissue lesions that can be either rounded or irregular in shape. Though about 40% of these growths are benign, they can be cancerous, especially in older people and smokers. Many people with this condition don't have any symptoms, though some do have wheezing, shortness of breath, or a persistent cough.Treatment depends on the size of the growth, whether or not it is … And there’s also a … “As with any surgery, there is a risk of complications, such as blood loss and infection. 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