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Bolus

Tissue-equivalent placed on patient to shift depth-dose curve

DICOM

Digital Imaging and Communications in Medicine

DRPR

Digitally Reconstructed Portal Radiograph

DRR

Digitally Reconstructed Radiograph

DTI

Diffusion Tensor Image

DVH

Dose Volume Histogram

EPI

Electronic Portal Image

EPID

Electronic Portal Imaging Device

EUD

Equivalent Uniform Dose

MLC

MultiLeaf Collimator

NTCP

Non Tumor Complication Probability

Penumbra

Areas near the edge of the beam. Ammount of dose deposited at penumbra is curve from zero (far enough outside) to full dose (far enough inside)

RTP

Radiation therapy Treatment Planning

SAD

Source to Axis Distance

SSD

Source to Surface Distance

TCP

Tumor Control Probability

TERMA

Total Energy Released per unit MAss

TPS

Treatment Planning System (or Software)

Wedge

Wedge of material placed in front of accelerator to shift depth-dose curve