Malignant tumor different with origins Epithelial: Histogenesis carcinoma Squamous cell carcinoma Papillary adenocarcinoma Mesenchymal: Histogenensis+sarcoma Liposarcoma, fibrosarcoma, angiosarcoma Lymphohematopoietic: lymphoma, leukemiaMalignant tumor different with origins • Epithelial: Histogenensis + carcinoma – Squamous cell carcinoma – Papillary adenocarcinoma • Mesenchymal: Histogenensis+sarcoma – Liposarcoma, fibrosarcoma, angiosarcoma • Lymphohematopoietic: lymphoma, leukemia