Failure of metastatic nodes to fill during lymphography.
D000368:Aged; D001943:Breast Neoplasms; D004396:Coloring Agents; D003287:Contrast Media; D005260:Female; D006801:Humans; D008198:Lymph Nodes; D008207:Lymphatic Metastasis / Q000000981:diagnostic imaging*; D008220:Lymphography; D008297:Male; D008875:Middle Aged; D010412:Penile Neoplasms
D004396:Coloring Agents; D003287:Contrast Media