Specifics about the operation have not been released or confirmed, however TMZ reports that the procedure was related to "chest issues." It's unclear if the issues were related to his heart or his lungs. Odom may still be facing an additional operation.
"This past week has been incredibly difficult. I am so thankful to family, friends and fans who have sent nothing but prayers and well wishes to Lamar," the 31-year-old Keeping Up With the Kardashians star wrote. "I also want to take a moment to thank everyone at Sunrise Hospital, including the amazing doctors and nurses for their kindness and diligent work. Under their amazing care, incredible strides have been made."