cancer cells, cancer foci and metastases

anatomy artery background biology blood body cancer capillary carcinoma care cell cells circulation circulatory clone close condition diagram disease drawing endothelial endothelium flow foci health healthcare healthy human illness illustration infection invasion life lymph lymphatic macro medical medicine metastases metastasis metastatic micro microbiology microscopic neoplasia normal oncologist oncology organ primary prostate red science scientific secondary sickness spread spreading stages stuck system tissue treatment tumor tumour vein vessel wall