fig1
![Comparison of immediate <i>vs</i>. deferred cytoreductive nephrectomy in patients with synchronous metastatic renal cell carcinoma](https://image.oaes.cc/29458ed1-976f-42ad-9453-fc5dc6cc6a92/4246.fig.1.jpg)
Figure 1. Duration of survival in combined SWOG and EORTC trails. Unadjusted survival curves for nephrectomy followed by interferon vs. interferon alone for patients with synchronous mRCC. O: Observation; N: nephrectomy. From Flanigan et al.[6], J Urol March 2004.