direct metastasis 

ONCOLOGY

(1) Metastasis that develops downstream from the blood flow of a primary malignancy.

Reference International Dictionary of Medicine and Biology, John Wiley & Sons, 1986. 

(2) A focus of metastatic cancer that seeds to a single or limited number of distant sites

Reference Clinical & Experimental Metastasis (2005) 22: 587–591 Springer 2006

DOI 10.1007/s10585-005-5787-x