Joan Rivers Stopped Breathing During Unplanned Throat Biopsy Before Her Hospitalization: Report

New details are emerging about the cause of Joan Rivers‘ hospitalization which ultimately led to her death – and a report is now out saying she initially stopped breathing during an unplanned biopsy to her throat. The 81-year-old comedienne was reportedly visiting the Yorkville Endoscopy center in NYC last month to have “a diagnostic procedure