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It is unlikely that lung nodules can be detected by ultrasound; chest CT remains the primary and most reliable method for their detection.

Lung nodules are a common type of pulmonary lesion, typically identified through imaging techniques such as chest X-ray, CT, and MRI. Ultrasound is not highly sensitive for examining the lungs and therefore is not commonly used for detecting lung nodules. Ultrasound is primarily utilized for evaluating abnormalities in the abdomen, pelvis, and other areas, making it a less favorable choice for lung assessment. If a lung nodule is suspected, a chest CT scan is recommended, as it is currently the most widely used and effective method for detecting lung nodules. CT imaging clearly reveals critical details such as the size, shape, and location of the nodule, which helps determine its nature and guide appropriate treatment. To further characterize the nodule, additional tests such as PET-CT or fiberoptic bronchoscopy may be performed.

When evaluating lung nodules, it is important to select the appropriate diagnostic method, prepare properly before the examination, understand the procedure, accurately interpret results, and schedule regular follow-up evaluations to ensure accurate diagnosis and optimal treatment planning.