"The Thing on the Doorstep" is a horror short story by American writer H. P. Lovecraft, part of the Cthulhu Mythos universe. It was written in August 1933 and first published in the January 1937 issue of Weird Tales. From Wikipedia
Dennis Paoli Returns to Screenwriting After Two Decades with Joe Lynch Directed 'Suitable Flesh', a Gender-Reversed Adaptation of H.P. Lovecraft's “The Thing on the Doorstep”; Now Streaming on Shudder.