PROBLEM TO BE SOLVED: To provide a chair for chest examination that imposes less burden on a doctor or a subject in performing ultrasonic breast cancer examination.SOLUTION: A chair 1 for chest examination includes a seat part 4 and a backrest part 6 that can be reclined for the seat part 4. The backrest part 6 includes an extrusion mechanism 16 that can advance from the surface to a subject at a position which comes in contact with the chest of the subject seated on the chair 1 for chest examination.SELECTED DRAWING: Figure 1
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