Primary ascending colon cancer accompanying skip metastases in left shoulder skin and left neck lymph node: A case report

Figure 1 The pathological examination of the left shoulder cutaneous mass. The hematoxylin and eosin and immunohistochemical staining of resected specimen at × 10 magnification. A: Hematoxylin and eosin; B: CDX2; C: CK20; D: Ki67.

Figure 2 The pathological examination of the ascending colon tumor mass. A: The resected tumor mass, the scale bar represents 5 cm; B: The hematoxylin and eosin and immunohistochemical staining of resected specimen at × 10 magnification. HE: Hematoxylin and eosin; CEA: Carcinoembryonic antigen.

Figure 3 The pathological examination of the cervical lymph node. The hematoxylin and eosin and immunohistochemical staining of resected specimen at × 10 magnification. A: Hematoxylin and eosin; B: Carcinoembryonic antigen; C: P53; D: Ki67; E: CK20; F: CDX2.

Figure 4 The image examination of the abdomen and colonoscopy. A: Enhanced computed tomography examination of the abdomen; the orange arrow indicates thickening and edema of the ascending colon (ileocecal region); B: Colonoscopy revealed a cauliflower-like mass in the ascending colon; the orange arrow indicates the ascending colon tumor mass.

Figure 5 The color Doppler ultrasound image of the left neck.

Figure 6 The image of recovered surgical wounds. The orange arrow indicated the wound of resected left shoulder cutaneous mass. The blue arrow indicated the wound of resected cervical lymph nodes.