After Cohen , the clinic 's medical director , finished his work , a biopsy was done on Rivers without her prior consent , according to the source . Rivers ' personal doctor who did the biopsy was not certified by the clinic , a source says . Comment: Biopsy was done without Rivers ' prior consent , the source says . Rivers died a week after suffering cardiac arrest at the Manhattan clinic .
Rivers ' personal doctor who did the biopsy was not certified by the clinic , a source says . Comment: Biopsy was done without Rivers ' prior consent , the source says . Rivers died a week after suffering cardiac arrest at the Manhattan clinic .