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. Author manuscript; available in PMC: 2015 Mar 1.
Published in final edited form as: J Gastrointest Surg. 2013 Dec 3;18(3):592–598. doi: 10.1007/s11605-013-2421-0

Fig. 2.

Fig. 2

Kaplan–Meier colorectal cancer-specific rate estimates for chemotherapy-treated stage IV CRC patients based on whether or not they underwent operation of the primary tumor. Includes data from the California Cancer Registry during 1996–2006 with follow-up through December 31, 2009. Red line, received primary tumor operation (n =8,599); blue line, no primary tumor operation (n =3,117)