Hope my story helps . You should worry about lung nodules, especially if you have a family history of cancer or if you are at high risk. Presentation Pulmonary nodules are defined as focal lung opacities measuring up to 3cm in diameter surrounded by lung parenchyma. MD said CT of chest every 6 months for 3 years. Commonly called a “spot on the lung” or a “shadow,” a nodule is a round area that is more solid than normal lung tissue. Sometimes, a nodule can be an early lung cancer. Also said they only get concerned if the number doubles. Inflammation that is not related to an infection can also cause nodules. A lung nodule is a small, ball-shaped mass that can grow in the lung. Should I worry that I have a nodule? 1/31/19 . Nicole I am no doctor - but I have done lots of research on Nodules - from what I have read - most lung nodules are benign. Most thyroid nodules are benign and nothing to worry about but some (about 5-10%) may be cancerous. If you have a lung nodule. ... nodule is lung cancer and how big the nodule might be at the time of the next scan. Your doctor can tell if your nodule is lung cancer by: 1. Non-cancerous lung nodules are usually caused by a previous infection and require no treatment. The doctor will schedule a rescan to make sure there is no growth. Although most lung nodules are noncancerous (benign), some may have the potential to become cancerous and spread to other areas of the body. Does a lung nodule mean cancer? Also, if the lung nodule is small and contains calcium it is less likely to be cancerous. Mine is 1.6 by. On the other hand, cancerous nodules, on average, double in size every four months. “I had a 51 percent chance that those nodules were not cancer, so a 49 percent chance they were,” she said. Guidelines developed by the American College of Radiology for management of lung nodules in the setting of lung cancer screening CT scans and facilitates standardized reporting of abnormal findings. These include: Lung infections, including infections that occurred years or decades ago. Most lung nodules are caused by scar tissue, a healed infection or an irritant in the air you’ve breathed. Lung Nodules Are Not a Death Sentence. And while not all cases of lung nodules are cancerous, patient cases are always followed up to ensure that a nodule that wasn’t previously cancerous doesn’t change its state over time. I really would not want anything invasive for nodules that are so small and very common in something like 50% of the population over 50. To be declared as a lung nodule, it has to be of 3 cm or below the size. Not just for lung nodules, the clinic helps patients dealing with various types of lung- and chest-related ailments, including infections and breathing problems. They were in a part of her lungs where they couldn’t be biopsied with a needle. Lung nodules are usually caused by scar tissue, a healed infection that may never have made you sick, or some irritant in the air. It might sound scary at first, but these spots, or lung nodules, are not an uncommon occurrence. Lung nodules (pulmonary nodules) and benign lung tumors, are not cancerous, but can still have serious health and respiratory implications. Information about lung nodules Introduction/procedure You have been informed that you have a nodule (or nodules) in your lung. Thyroid Nodules: When To Worry. Of those, slightly less than 4% are found to have lung cancer. Your doctor tells you that a chest X-ray shows a spot on your lung. If your doctor finds a nodule in your thyroid, it’s a sign of an underlying health condition that deserves attention. Thyroid Nodules: When to Worry Facebook Twitter Linkedin Pinterest Print Endocrine System. 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