Factors influencing individual metastasis response to treament; time to best response by metastasis site, and the effect of metastasis site and size on response.

P-value for comparison of median size of lesions with CR versus non-CR, Mann Whitney U test.
Abbreviations: CR, complete response; PR, partial response; SD, stable disease; PD, progressive disease; SQ, subcutaneous and soft tissue; LN, lymph node.