Preoperative CarePreoperative PeriodAnxietyPostoperative PeriodPostoperative ComplicationsAnxiety DisordersTreatment OutcomeProspective StudiesRetrospective StudiesTime FactorsDental AnxietyManifest Anxiety ScaleAnxiety, SeparationPhobic DisordersTest Anxiety ScaleDepressionAnti-Anxiety AgentsPsychiatric Status Rating ScalesFollow-Up StudiesPanic DisorderDepressive DisorderRectal NeoplasmsQuestionnairesStress, PsychologicalPerformance AnxietyFearPredictive Value of TestsRisk FactorsPostoperative CareTomography, X-Ray ComputedPersonality InventorySeverity of Illness IndexComorbidityMood DisordersSurgical Procedures, ElectiveCognitive TherapyNeoadjuvant TherapyPrognosisCombined Modality TherapyIntraoperative CareMagnetic Resonance ImagingQuality of LifeNeoplasm StagingIntraoperative PeriodAdaptation, PsychologicalAgoraphobiaPsychometricsSurgical Procedures, OperativePain MeasurementCardiac Surgical ProceduresEmotionsChi-Square DistributionRisk AssessmentLogistic ModelsAnalysis of VariancePanicAmygdalaPremedicationDiagnostic and Statistical Manual of Mental DisordersIntraoperative ComplicationsHypochondriasisSensitivity and SpecificityPsychological TestsDepressive Disorder, MajorAffectReoperationCoronary Artery BypassMental DisordersAge FactorsReproducibility of ResultsPain, PostoperativePerioperative CareMaze LearningExploratory BehaviorMultivariate AnalysisAdenocarcinoma