Some retinoblastomas, osteosarcomas, and soft tissue sarcomas may share a common etiology.
Weichselbaum RR, Beckett M, Diamond A. Some retinoblastomas, osteosarcomas, and soft tissue sarcomas may share a common etiology. Proc Natl Acad Sci U S A. 1988 Apr; 85(7):2106-9.