PMC9071300_01
The therapeutic regimens received, the associated best objective response (OR), progression-free survival (PFS), the CEA for each line of therapy, and the major mutations detected. PR indicates a partial response. SD indicates stable disease.
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The best objective response (OR) was a partial response (PR), with the carcinoma embryonic antigen (CEA) level decreasing from 109.38 to 14.65 ng/ml ( Figure 1 ).