Characteristics, Therapeutic Approaches and Outcomes of Patients Older than 80 Years Old with Metastatic Colorectal Cancer Compared with Younger Patients.

The number of lines of palliative chemotherapy delivered also showed a nonsignificant trend in the younger age group ( p = 0.10).

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The older group most commonly presented with grade 1 disease (41.6%), whereas the younger group commonly presented with grade 2 tumors (47.1%), although the overall differences in grade did not reach statistical significance ( Table 1 ).

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