computer-aided radiation therapy planning system comprising a computer, monitor, CT-scanner, filter, printer, video digitizer, digitizer board, the various stated components thereof individually, and software and instruction manuals therefor, all for use in analyzing patient data and selecting radiation therapy suited for concentrating irradiation dosage into the selected treatment volume while sparing healthy tissue

'aid':3 'analyz':37 'board':20 'compon':24 'compris':8 'comput':2,10 'computer-aid':1 'concentr':46 'ct':13 'ct-scanner':12 'data':39 'digit':18,19 'dosag':48 'filter':15 'healthi':56 'individu':26 'instruct':30 'irradi':47 'manual':31 'monitor':11 'patient':38 'plan':6 'printer':16 'radiat':4,42 'scanner':14 'select':41,51 'softwar':28 'spare':55 'state':23 'suit':44 'system':7 'therapi':5,43 'therefor':32 'thereof':25 'tissu':57 'treatment':52 'use':35 'various':22 'video':17 'volum':53

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