EndosonographyEndoscopic Ultrasound-Guided Fine Needle AspirationBiopsy, Fine-NeedlePancreatitis, ChronicPancreatic DiseasesPancreatic NeoplasmsCholangiopancreatography, Magnetic ResonancePancreatic CystEndoscopy, Digestive SystemCholangiopancreatography, Endoscopic RetrogradePancreatic PseudocystCyst FluidUltrasonography, InterventionalPancreasCholedocholithiasisLithiasisSensitivity and SpecificityEndoscopyCeliac PlexusPancreatitisDuodenal DiseasesTomography, X-Ray ComputedEsophageal NeoplasmsUltrasonographyLymphangioma, CysticElasticity Imaging TechniquesNatural Orifice Endoscopic SurgeryUltrasonicsPancreatic Function TestsDigestive System NeoplasmsUltrasonic TherapyPredictive Value of TestsBiopsy, NeedlePancreatic DuctsNeuroendocrine TumorsNeoplasms, Cystic, Mucinous, and SerousNeoplasm StagingHigh-Intensity Focused Ultrasound AblationEsophagectomyAdenocarcinomaReproducibility of ResultsDrainageDuodenal NeoplasmsGastroscopyPreoperative CareRetrospective StudiesEsophagusMediastinumMediastinal NeoplasmsAmpulla of VaterPancreaticoduodenectomyMicrobubblesProspective StudiesLymphatic MetastasisCarcinoma, Pancreatic DuctalStomach NeoplasmsFeasibility StudiesBronchoscopyGastrointestinal NeoplasmsNeoadjuvant TherapyLymph NodesUltrasonography, PrenatalTreatment OutcomeGastrointestinal Stromal TumorsRectal NeoplasmsMagnetic Resonance ImagingTransducersFollow-Up StudiesPrognosisBiopsyUltrasonography, DopplerCarcinomaUltrasonography, Doppler, ColorMicroscopy, AcousticPregnancyCombined Modality TherapyContrast MediaImaging, Three-DimensionalEchoencephalographySonicationFetal DiseasesUltrasonography, MammaryGestational AgePhantoms, ImagingPregnancy Trimester, SecondAcousticsFluorocarbonsUltrasonography, Doppler, DuplexSulfur HexafluorideCalcaneusUltrasonography, Doppler, PulsedPhonophoresisBlood Flow VelocityUltrasound, High-Intensity Focused, TransrectalImage Interpretation, Computer-AssistedObserver VariationEquipment DesignHigh-Energy Shock WavesPregnancy Trimester, FirstImage Enhancement