title: Compton-scatter tissue densitometry: calculation of single and multiple scatter photon fluences.
mesh_terms: D015502:Absorptiometry, Photon / Q000379:methods*; D004583:Electrons; D006801:Humans; D009010:Monte Carlo Method; D011829:Radiation Dosage; D011879:Radiotherapy Dosage; D011882:Radiotherapy, High-Energy; D012542:Scattering, Radiation