Lymph node staging in colorectal cancer: Old controversies and recent advances

Figure 2 Lymph node metastases and tumor deposits in patients with colorectal cancer. A: Metastatic adenocarcinoma within a mesocolic lymph node [hematoxylin and eosin (HE) original magnification, × 100]; B: Mesocolic lymph node totally replaced by metastatic cancer tissue, note the smooth contour of the lesion (HE, original magnification, × 150); C: Tumor deposit (satellite) within the mesocolic fatty tissue, note the irregular contour of the lesion (HE, original magnification, × 250); D: Mesocolic lymph node metastasis with extracapsular extension of cancer tissue (original magnification, × 250).