Assertion: disease's symptom | /r/CreatedBy | spread of the tumour
Facets:
value: not infrequently
type: TEMPORAL
value: to other organs
type: TRANSITIVE-OBJECT
value: to tissues
type: TRANSITIVE-OBJECT
Source sentences:
text: Not infrequently, the presenting symptom of a lung cancer is caused by metastasis, or spread of the tumour to other organs or tissues.