Smiling doctor gesturing thumbs up to camera on a Green Screen, Chroma Key

doctor stethoscope medicine heathcare chroma key medical clinic illness patient lung human lung medical x-ray hospital professional occupation thumbs up caucasian expertise care men green gesturing 4k technology thumb x-ray image computer russia laboratory occupation colors white cut out equipment human internal organ human hand hand body part adult portrait digital tablet people cheerful success skill confidence women males movie camera key looking adults only meeting front view indoors smiling sitting