Fig. 1
From: The dynamic monitoring of CEA in response to chemotherapy and prognosis of mCRC patients
CEA change patterns of each patient at different time points. (a) Group A: patients had an initial fast CEA decrease that then turned into a slow increase; (b) Group B: patients had an initial slow CEA decrease that then turned to a slow increase; (c) Group C: patients had a continually slow CEA increase; (d) Group D: patients had a continually fast CEA increase; (e) Group E: patients had an initial fast CEA decrease that then turned into a fast increase