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The Human Phenotype Ontology (HPO) is downloaded weekly from The file downloaded is considered the "last stable build" available for the ontology. For more about the HPO, view their website at

Term:Pulmonary nodule
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Accession:HP:0033608 term browser browse the term
Definition:Focal rounded or ovoid opacity, not more than 3 cm in diameter. Pulmonary nodules are typically observed by chest radiography or computer tomography imaging.
Synonyms:exact_synonym: Spot on the lung

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Term paths to the root
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Term Annotations click to browse term
  Human phenotype 0
    Phenotypic abnormality 0
      Abnormality of the respiratory system 0
        Abnormal respiratory system physiology 0
          Abnormal respiratory system morphology 0
            Abnormal pulmonary thoracic imaging finding 0
              Pulmonary nodule 0
                Perifissural pulmonary nodule + 0
                Solid pulmonary nodule 0
                Subsolid pulmonary nodule + 0
paths to the root