PTCA second oblique marginal (OM-2) branch artery assessment lesion could not be dilated
ptca second oblique marginal (om-2) branch artery assessment lesion could not be dilated
PTCA second oblique marginal (OM-2) branch artery assessment lesion could not be dilated (treatment)
ptca second oblique marginal (om-2) branch artery assessment lesion could not be dilated (treatment)