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Most malignant melanomas, renal, liver and prostate cancer were moderately stained. Remaining malignant cells were either negative or showed weak staining.
Moderate to strong cytoplasmic positivity with a granular pattern was observed in most malignant tissues. Liver tumors and a few cases of melanomas and colorectal cancers showed strong immunoreactivity. Squamous cell carcinomas displayed slightly weaker positivity.