May 4 (Reuters) - Vicinity Centres VCX.AX :
* PORTFOLIO RETAIL SALES DECLINED 7.0% IN 3QFY21 RELATIVE TO 3QFY19
* MARCH TOTAL PORTFOLIO SALES NEARED PRE-COVID LEVELS, DECLINING 2.3% PCP
* SUPERMARKET SALES UP 1.5% IN 3QFY21 RELATIVE TO 3QFY19
* IMPROVEMENT IN CASH COLLECTIONS IS EXPECTED IN 4QFY21