Short for 呼吸器内科 (kokyūki naika, “respiratory medicine”).

inside, within (physical location) / between, among / while, during, inside or within a span of time / (when used possessively) one's own, my, our

sooner or later / eventually / before long

to wait for a chance / to serve by one's side

(Classical Japanese) to be watching continuously, to be on watch repeatedly, to be on look out

to cry in sympathy

to have someone do something for you

(medicine) examine

diagnosis, examination, health checkup

to receive / to take