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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

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Accession:HP:0100750 term browser browse the term
Definition:Collapse of part of a lung associated with absence of inflation (air) of that part.
Synonyms:exact_synonym: Partial or complete collapse of part or entire lung;   Pulmonary atelectasis
 xref: MESH:D001261;   SNOMEDCT_US:46621007;   UMLS:C0004144

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Term paths to the root
Path 1
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
              Atelectasis 0
                Linear atelectasis 0
                Rounded atelectasis 0
paths to the root