[Tumor metastasis into a tumor].
D000236:Adenoma; D000368:Aged; D005260:Female; D006801:Humans; D008175:Lung Neoplasms; D008579:Meningioma; D009362:Neoplasm Metastasis; D013964:Thyroid Neoplasms
O metastazakh opukholi v opukhol'.