“…Bilateral acinic cell adenocarcinoma was the most frequent combination of multiple salivary gland malignancy, accounting for 14 cases (10 synchronous [3, 24-27, 29, 31, 39, 43] and four metachronous [28,32,40,43]). Levin et al [25] recorded three additional unpublished cases of bilateral acinic cell adenocarcinoma of parotid, without commenting on temporality and reported a rate of bilaterality as high as 3%.…”