Fluid TherapyIsotonic SolutionsProton TherapyPhysical Therapy ModalitiesColloidsRadiotherapy Planning, Computer-AssistedRehydration SolutionsHyponatremiaPlasma SubstitutesFilm DosimetryHypovolemiaIntraoperative CarePerioperative CareColorectal SurgeryWater-Electrolyte BalanceBlood Volume DeterminationRadiometryGoalsJointsHydroxyethyl Starch DerivativesTreatment OutcomeRadiotherapy, Intensity-ModulatedRadiotherapy DosageRadiotherapy, ConformalPostoperative CareSodium ChloridePhantoms, ImagingPostoperative ComplicationsKnee JointGenetic TherapyProspective StudiesHemodynamicsTime FactorsJoint DiseasesFinger Joint