[Cancer of the gastrointestinal system and changes of the erythrocyte and leukocyte systems].
D000740:Anemia / Q000209:etiology*; D004912:Erythrocytes; D005770:Gastrointestinal Neoplasms / Q000097:blood*; D006801:Humans; D007962:Leukocytes; D008297:Male; D008875:Middle Aged; D011086:Polycythemia / Q000209:etiology
Cáncer del aparato digestivo y alteraciones de los sistemas eritrocitario y leucocitario.