UltrasonographyLungUltrasonography, Doppler, ColorLung DiseasesUltrasonography, DopplerLung NeoplasmsUltrasonography, PrenatalLung InjuryEndosonographyCarcinoma, Non-Small-Cell LungUltrasonography, Doppler, DuplexLung TransplantationUltrasonography, Doppler, PulsedUltrasonography, MammaryUltrasonography, InterventionalAcute Lung InjurySensitivity and SpecificityUltrasonography, Doppler, TranscranialTomography, X-Ray ComputedLung Volume MeasurementsProspective StudiesSulfur HexafluoridePregnancyContrast MediaLung Diseases, InterstitialReproducibility of ResultsPredictive Value of TestsRetrospective StudiesImaging, Three-DimensionalUrographyFetal DiseasesBlood Flow VelocityTotal Lung CapacityScrotumExtravascular Lung WaterCystsPulmonary AlveoliTreatment OutcomeAdenocarcinomaBronchoalveolar Lavage FluidSmall Cell Lung CarcinomaGestational AgePalpationFollow-Up StudiesMagnetic Resonance ImagingCarotid Artery DiseasesAbdomenPreoperative CareCarcinoma, Small CellLung AbscessRisk FactorsLiver NeoplasmsPulmonary FibrosisToe JointCarotid ArteriesThyroid NoduleGallbladderVentilator-Induced Lung InjuryAuscultationOvarian CystsObserver VariationInfant, NewbornVaginaEchoencephalographyMetacarpophalangeal JointPulmonary EdemaBiopsy, NeedleImage EnhancementDiagnostic ImagingHydronephrosisSplenic DiseasesAbdominal InjuriesNeoplasm StagingRespiratory Function TestsFetusTesticular DiseasesPneumoniaLung Diseases, ObstructiveRadiography, ThoracicPrognosisAngiographyFalse Positive ReactionsBiopsy, Fine-NeedleSmokingFarmer's LungGallbladder DiseasesTransducersBronchiRectumPrenatal DiagnosisCarotid Artery, CommonRespiratory Distress Syndrome, AdultBiliary Tract DiseasesThoracic WallCarcinoma, Lewis LungPulmonary CirculationTunica MediaPneumonectomyOvarian FollicleCase-Control Studies