In-room imaging and MR planning

Traditionally, 2 very different theories on cancer spread

William. S. Halsted

Bernard Fisher

cancer spread = orderly

• all clinically apparent cancer = systemic disease

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lymph node spread or loco-regional recurrence is only an indicator of aggressive disease

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typically contiguous manner: from primary site to lymph nodes and only then to distant sites

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• variations in the treatment of loco-regional disease are unlikely to affect survival

radical loco-regional treatment

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