[Study on direct lymphography, with special reference to its clinical significance in rectal tumors].
D000328:Adult; D000367:Age Factors; D000368:Aged; D005260:Female; D006801:Humans; D008198:Lymph Nodes / Q000000981:diagnostic imaging; D008207:Lymphatic Metastasis; D008220:Lymphography / Q000009:adverse effects; D008297:Male; D008875:Middle Aged; D012004:Rectal Neoplasms / Q000000981:diagnostic imaging*; D012737:Sex Factors