Srb's anomaly

Srb's anomaly is the clinical condition describing synostosis, or fusion, between the first and second ribs.^[1][2] It may be either a partial or complete fusion between the two ribs to create an entirely indistinguishable new rib.^[3]

Srb's anomaly
Srb's anomaly. X-ray and CT scan as volumen rendering
Differential diagnosis	Klippel–Feil syndrome

Srb's anomaly is commonly seen in people with Klippel–Feil syndrome.^[4]