Table 3.

Changes in API before and after surgery for patients with negative TM levels before surgery

(a)
Negative TM presurgery	Histology	No. of patients (pre API ≥ 6)	No. of API normalized cases (post API < 6)	Normalization rate
SCC	All	40	34	85.0%
CA125	All	60	54	90.0%
CEA	All	79	71	89.9%
CA19–9	All	63	57	90.5%
CEA, CA19–9, CA125	All	46	43	93.5%
(b)
Negative TM presurgery	Histology	No. of patients (pre API ≥ 6)	No. of API normalized cases (post API < 6)	Normalization rate
SCC	Squamous cell Carcinoma	1	1	100%
CA125	Adenocarcinoma	52	47	90.4%

TM tumor marker