"Compression of a vascular structure "
"Compression by a vascular structure "
"nutcracker syndrome: compression of the left renal vein by the SMA"
"SMA syndrome: compression of the third part of the duodenum by the SMA"
"SMA syndrome: compression of the third part of the duodenum by the SMA"
Expected headings
"Compression of a vascular structure "
"Compression by a vascular structure "