CD68 and cancer: Pooled analysis showed no significant correlation between elevated CD68+ TAMs infiltration and sex (Male vs. Female), sge (≥ 70 years VS < 70 years), carcinoma in situ (yes vs. no), tumor stage (T1 vs. Ta), tumor grade (≥ 2 vs. 1) or tumor size (> 3 cm vs. ≤ 3 cm) (detailed in Table 2).