Tumor lysis syndrome. Tumor lysis syndrome (TLS) is a group of metabolic abnormalities that can occur as a complication during the treatment of cancer, where large amounts of tumor cells are killed off (lysed) at the same time by the treatment, releasing their contents into the bloodstream.
The Trevi Fountain that stands in Trevi Square today was designed by Roman architect Nicola Salvi. Building began in 1732 and concluded three decades later. Before his death in 1751, Salvi chose young artist Giuseppe Pannini as his successor.
Located at the center of the beautiful Piazza Navona, the Fountain of the Four Rivers was commissioned in 1651 by Pope Innocent X, whose family palace, the Palazzo Pamphilj, faced onto the piazza. An unusual view of the Fountain of the Four Rivers.