Table 1. Overall tumour responses for various local and regional tumour responses with or without the appearance of new lesions.

Local lesions	Regional lesions	New lesions	Overall response
CR	CR	No	CR
CR	PR/SD	No	PR
PR	Non-PD	No	PR
SD	CR/PR	No	PR
SD	SD	No	SD
PD	Any	Yes or No	PD
Any	PD	Yes or No	PD
Any	Any	Yes	PD

Abbreviations: CR = complete response; PR = partial response; SD = stable disease; PD = progressive disease.