American singer Bruce Springsteen announced on Wednesday the postponement of his planned concerts in the United States in September because of “symptoms of a stomach ulcer”.

The 73-year-old “Boss” is undergoing treatment for this disease, and “his medical advisers have decided that he must postpone the remainder of his September concerts,” his team posted on his Instagram page.

Showman Bruce Springsteen said canceling the performances was “heartbreaking”, while promising his fans to “be back soon”. He has been on tour with his musicians, the E Street Band, since the beginning of the year. He had already canceled two dates in August due to “illness”, without specifying the nature.

The singer from New Jersey, whose impressive gallery of hits includes Streets of Philadelphia or Dancing in the Dark, is extremely popular in the United States. Born into a Neapolitan-Irish family of working-class origins, he sets American daily life to music, with rock, country, blues and even soul influences.

Oscar winner for Streets of Philadelphia, he has accumulated awards during a river career, and sold more than 150 million records. The Born in the USA album alone has sold 30 million copies.