preferred_name: Reddish or purplish skin discoloration, episodic, associated with pain
preferred_name_lc: reddish or purplish skin discoloration, episodic, associated with pain
label: Reddish or purplish skin discoloration, episodic, associated with pain
label_lc: reddish or purplish skin discoloration, episodic, associated with pain