metropolitan set tion or. loop was `deeply affected ' by death of his famous patient SAXTO DOMINGO, Dominican Republic - The Philadelphia doctor who hdped separate A!- tagracia Rodriguez frcm her Siamese twin sister Ciara in a rare operation two years ago says he has been "deeply affected bp her death." Altagtacia, who was 3 last month, choked to death last Friday after a piece of bean lodged in her throat. Dr. Everett Ronp, whc headed the surgizaI team that operated on the twins at Children's Hospital, Philadelphia, flew to the Dominican Rz- public to be with the Rodriguez family and at- tmded the child's funera!. "Since my wife znd I lost 3 son in an accident, 1 thwg~~: >vc could be of heip and morai support to hzr family," Dr. Koop said at a press ccnfer- cnce here Monday night. "I love these people, \r, ho made me rhzir' adopted son . . . Since I shared their joy xvhen the girl was: separat~J through the operation, I wanted as well to be pr25ent new 10 share their grief and mourning." II< said that Clara, the surviving `win, was quite healthy and was not Iikz!y to suffer adverse J;>ycJhologicaI effects because of hzr sister's