Fig. 4
From: PKM2 is not required for colon cancer initiated by APC loss
Human colon tumors express low levels of PKM2. a Representative TMA cores containing human colon tumors showing PKM2 staining scored as 0, 1, or 2. Scale bars represent 50 μm for all images at ×20 magnification (left) and 20 μm for all images at ×40 magnification (right). b Distribution of PKM2 staining intensities for 41 human colon tumors