The film 'The Lost World' (1992) does not feature any discernible LGBTQ+ characters, relationships, or themes within its plot or character arcs. The story is centered on a classic adventure premise, resulting in a net impact of N/A regarding LGBTQ+ portrayal.

The film "The Lost World" (1998) does not feature any identifiable transsexual characters or themes. Its narrative focuses on a scientific expedition encountering prehistoric creatures, with no elements related to transgender identity or experiences.

The film features female characters as part of the expedition. However, there are no scenes depicting a female character engaging in and winning close-quarters physical combat against one or more male opponents using skill, strength, or melee weapons.

The film adapts Arthur Conan Doyle's novel. The primary male protagonists from the source material, such as Professor Challenger, Professor Summerlee, Lord John Roxton, and Edward Malone, retain their original gender in this adaptation. New female characters are introduced, but they do not replace or gender-swap established characters from the novel.

The 1999 film adaptation of Arthur Conan Doyle's novel features characters like Professor Challenger, Professor Summerlee, Lord John Roxton, and Edward Malone. All these characters, originally depicted as white in the source material, are portrayed by white actors in this adaptation, with no changes to their established racial identities.