The left subclavian artery and numerous intercostal branches were occluded at the time of surgery.
Arteritis in an intercostal artery as seen on the 28th day after the onset of the disease.
Under short period of circulatory arrest, the aneurismal portion of the aorta was resected, including a pair of intercostal arteries.
The apex was palpable at thefifthright intercostal space.
A 4/6 harsh continuous murmur was heard maximal at the left third intercostal space.
Assuming the diagnosis of a solid tumor, a right lateral thoracotomy was performed in the fourth intercostal space.
The ventral aspect of the heart was exposed by means of a transverse thoracotomy at the level of the fifth intercostal space.
Repeated puncture of the pericardial effusion was performed from a left lateral intercostal position.
