costophrenic
/kɒs.təʊˈfrɛn.ɪk/Definitions
1. adjective
relating to the costal and diaphragmatic (phrenic) pleurae of the lungs
“The costophrenic angle is a significant landmark in medical imaging.”
2. noun
the costal and diaphragmatic (phrenic) pleurae of the lungs
“The costophrenic recess can be a site of pleural effusion.”