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. 2011 Mar 7;17(9):1126–1134. doi: 10.3748/wjg.v17.i9.1126

Figure 4.

Figure 4

Bar graphs of mean values and mean increase factors for carcinoembryonic antigen and carbohydrate antigen 19-9 stratified by type of recurrence. A: Mean values of carcinoembryonic antigen (CEA) (μg/L) at the time of recurrence stratified by type of recurrence; B: Mean increase factor of CEA (μg/L) (values at the time of recurrence divided by initial values) stratified by type of recurrence; C: Mean values of carbohydrate antigen 19-9 (CA19-9) (U/mL) at the time of recurrence stratified by type of recurrence; D: Mean increase factor of CA 19-9 (U/mL) (values at the time of recurrence divided by initial values) stratified by type of recurrence.