Semantic Type/Source filtering happens after longest match exlcuding matches

[dconlan]

If the string 'Metastatic prostate cancer' is processed with the semantic type of bpoc (Body Part, Organ or Organ Component) then no concepts are found.

This is because 'Metastatic prostate cancer' matches concept C1282496 and C0936223 but these are both neop (Neoplastic Process) concepts and are discarded when the semantic type filtering is applied.

I would have expected the longest match to be applied after the semantic type and source filtering.

i.e. the concept C0033572: prostate should have been returned.