CTA

1. abbreviationinitialismInitialism of Chicago Transit Authority: an operator of mass transit in Chicago and some of its surrounding suburbs.
2. abbreviationinitialismInitialism of Central Tibetan Administration.

plural CTAs

1. abbreviationcountableinitialismuncountablebusinessInitialism of call to action.
2. abbreviationcountableinitialismuncountablemedicineInitialism of computed tomography angiography.

   Synonyms: angio-CT

3. abbreviationcountableinitialismuncountablebusinessInitialism of commodity trading adviser.

1. abbreviationinitialismnot comparablemedicineInitialism of clear to auscultation, used to describe the lung or lungs of patient.

   Lungs ¶ Lung fields CTA bilaterally. Few basilar crackles, mild expiratory wheezing

   2009, Julie M. Koehler, James E. Tisdale, “Hypertension”, in Terry L. Schinghammer, Julia M. Koehler, editors, Pharmacotherapy Casebook: A Patient-Focused Approach, 7th edition, McGraw Hill, →DOI, →ISBN, page 40