Doctor examines my belly and chest with a stethoscope

Description: I came to see the doctor for an examination. i undressed, i was wearing only panties and i lay down on the couch. the doctor examines my lungs with a stethoscope. he listens carefully to the sounds of my lungs from behind and in front. the doctor asks me to sit down and breathe deeply. sometimes he asks me to cough and hold my breath. then the doctor begins to examine my belly with a stethoscope. he asks me to hold my breath sometimes. sometimes he asks me to exhale all the air completely to make a vacuum in the belly.