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  • Title: ACR Appropriateness Criteria on solitary pulmonary nodule.
    Author: Khan A.
    Journal: J Am Coll Radiol; 2007 Mar; 4(3):152-5. PubMed ID: 17412254.
    Abstract:
    The solitary pulmonary nodule is traditionally defined as a relatively spherical opacity 3 cm or less in diameter surrounded by lung parenchyma. The choice of imaging test to evaluate solitary nodules is extensive. However, only 2 findings are considered to be sufficient to preclude further evaluation: calcification in a benign pattern and stability in size for more than 2 years.
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