title: [Cancer of the lung as a second neoplasm in patients with carcinoma of the colorectum: apropos of 4 cases].
mesh_terms: D000328:Adult; D000368:Aged; D003110:Colonic Neoplasms / Q000175:diagnosis*; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008175:Lung Neoplasms / Q000175:diagnosis*; D008297:Male; D008875:Middle Aged; D009362:Neoplasm Metastasis; D009378:Neoplasms, Multiple Primary / Q000175:diagnosis*; D012004:Rectal Neoplasms / Q000175:diagnosis*
vernacular_title: Cáncer de pulmón como segunda neoplasia en pacientes afectos de carcinoma colorrectal: a propósito de cuatro casos.