Chest wall pain There is indistinctness of the pectoralis major tendon at its insertion with surrounding T2 hyperintense signal consistent with tear. There is some retraction of the musculature medially. The signal of the remaining musculature is normal. The marrow signal of the humerus is normal.
Tearing of the pectoralis major at the myotendinous junction with some medial retraction of the muscle.