Correlation between SMADs and Colorectal Cancer Expression, Prognosis, and Immune Infiltrates

Figure 4

SMADs protein levels in CRC patients. (a) SMAD1 and (b) SMAD2 were highly expressed. Low expression of (c) SMAD3, (d) SMAD4, (e) SMAD5, and (f) SMAD6 were constant.

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(b)

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