Goa Chief Minister Manohar Parrikar will leave for the United States of America on August 10 for a medical check-up and return on August 17, a senior official said today. Parrikar (62) is suffering from a pancreatic ailment and had, earlier, flown to the US on March 7 for treatment. He returned to the country on June 14. A statement from the Chief Minister's Office today informed that Parrikar would not be available in the state between August 10-17. A senior CMO official said that Parrikar would be leaving for Mumbai tonight from where he is scheduled to fly to the USA for medical treatment.